John Lahr's Slide Rule Collection

Inventory of Slide Rules as of 1992

  ID Manufacturer St Country Model Name Serial Patent Patent Patent Patent Patent Patent Slide Pat Copyright Scales Scales L (cm) BaseMaterial ShellMaterial RunnerMaterial Case CaseMarkings Box Instruct Other Scales Comments ID
  1 Keuffel & Esser Co. NY USA <4088-2>   242299 06/05/1900 12/22/1908         08/17/1915   DF{CF,CIF,C}D K,A{B,S,T,CI}D,L 20.00 Mahagony Plastic Glass, Plastic Leather, Black PAT 2,000,337 None None L = labeled 0 - 10, 20 cm long Cracked glass in runner 1
  2 Keuffel & Esser Co. NY USA <4094>   699422 1,934,232           08/17/1915   DF{CF,CI,C}D   25.05 Mahagony Plastic Glass, Plastic Leather, Brown 4053-3S None None 10 inch; 25 cm Circ. No. 47 Constants 2
  3 Keuffel & Esser Co. NY USA <N4053-3>   286138 06/05/1900           2,086,502   A{B,CI,C}D   25.00 Mahagony Plastic Glass, Plastic Leather, Cardboard, Black 4053-3 None None 10 inch; 25 cm Circ. No. 47 Constants 3
  4 Keuffel & Esser Co. NY USA <N4053-3>   347349 1,934,232           2,086,502   A{B,CI,C}D,K {S,L,T} 25.00 Mahagony Plastic Glass, Plastic Leather wo flap, black   None None 10 inch; 25 cm Circ. No. 47 Constants 4
  5 Keuffel & Esser Co. NY USA 4081-3 LOG LOG DUPLEX DECITRIG (R) 299756 2,500,460 2,168,056 2,170,144 2,285,722 2,422,649       LL01,L,K,A{B,T,SRT,S}D,DI,LL1 LL02,LL03,DF{CF,CIF,CI,C}D,LL3,LL2 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Green PAT 2,000,337 Yes None None   5
  6 Keuffel & Esser Co. NY USA N4058W BEGINNER'S SLIDE RULE               05/02/1916   A{B,CI,C}D,K {S,L,T] 25.05 Box Wood White Paint Plastic w met. spring None   None C 1928 None Circ. No. 47 Constants 6
  7 Keuffel & Esser Co. NY USA N4058W BEGINNER'S SLIDE RULE                   A{B,CI,C}D,K {S,L,T] 25.05 Box Wood White Paint Plastic w met. spring Leather, Green   None None None K&E on slide. Newer than 6 7
  8 Keuffel & Esser Co. NY USA <4056> FAVORITE 736125 1,934,232           2,136,169   A{B,C}D {S,L,T] 25.05 Mahagony Plastic Glass, Metal Leather, Cardboard, Black K&E FAVORITE TRADE MARK None None None Circ. No. 47 Constants 8
  9 Keuffel & Esser Co.   USA N4080-3 LOG LOG DUPLEX TRIG 592468 1,930,852 2,168,056 2,170,144 2,285,722 2,422,649   2,086,502 1947 LL01,K,A{CF,CIF,CI,C}D,L,LL1 LL02,LL03,DF{B,T,ST,S}D,LL3,LL2 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Black   None None None   9
  10 Keuffel & Esser Co. NY USA 4058W BEGINNER'S SLIDE RULE               2,136,169   A{B,C}D {S,L,T] 25.06 Box Wood White Paint Glass, Metal Leather, Black K&E 4058W Slide Rule None None None Circ. No. 47 Constants 10
  11 Keuffel & Esser Co.     10 DECI-LON 10 DECI-LON 106250 2,500,460   2,534,695   2,422,649     1947,1961 Sq1,Sq2,DF{CF,CIF,L,CI,C}D,Ln0,Ln1,Ln2,Ln3 Ln-3,Ln-2,Ln-1,Ln-0,A{B,T,SRT,S,C}D,DI,K 24.92 Plastic Plastic Plastic, Metal Leather, Brown K&E 10 Deci-Lon Pat. 2,000,337 None None None   11
  12 Keuffel & Esser Co. NY USA <4088-3>   451594 1,930,852           Pat. Pend.   DF{CF,CIF,C}D K,A{B,S,T,CI}D,L 25.01 Mahagony Plastic Glass, Plastic, Metal Leather, Brown K&E POLYPHASE DUPLEX 4088-3S Pat. Pend. 2,000,337 None None None   12
  13 Keuffel & Esser Co. NY USA <4090-3>   472973 1,488,686 1,930,852 Pat. Pend.       Pat. Pend.   LL0,A{B,K,CI}T,S2,S1 L,LL1,DF{CF,CIF,CI,C}D,LL3,LL2 24.99 Mahagony Plastic Glass, Plastic, Metal Leather, Brown LOG LOG TRIG SLIDE RULE 4090-3S Pat. Pend. None None None   13
  14 Keuffel & Esser Co. NY USA 4058W BEGINNER'S SLIDE RULE               Pat. Pend.   A{B,C}D {S,L,T] 25.05 Box Wood White Paint Glass, Metal Leather, Cardboard, Black K&E BEGINNER'S SLIDE RULE 4058W None None None Circ. No. 47 Constants 14
  15 Keuffel & Esser Co. NY USA 4058C BEGINNER'S SLIDE RULE               No Slide   A{B,C}D {S,L,T] 25.05 Box Wood Clear Varnish   Leather, Cardboard, Black Missing Top None C 1928 None Circ. No. 47 Constants, Manual poor cond. 15
Sold $25, 1994 16 Keuffel & Esser Co. NY USA N 4095-3   132253 06/05/1900 12/22/1908         08/17/1915   DF3{CF3,C}D {CI}D 24.99 Mahagony Plastic Glass, Plastic None   None None None   16
  17 Keuffel & Esser Co. NY USA <4054>   320361 1,934,232           2,086,502   A{B,CI,C}D,K {S,L,T} 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Cardboard, Black 4054 K&E None None None Circ. No. 47 Constants 17
  18 Keuffel & Esser Co.   USA N4058W BEGINNER'S SLIDE RULE                   A{B,CI,C}D,K {S,L,T} 25.01 Box Wood White Paint Plastic w met. spring Leather, Green, Thin K&E N4058W None None None Circ. No. 47 Constants 18
  19 Keuffel & Esser Co. NY USA N4058W BEGINNER'S SLIDE RULE               2,136,169   A{B,CI,C}D,K {S,L,T} 25.00 Box Wood White Paint Glass, Metal Leather, Black, Thin K&E N4058W Slide Rule None None None Circ. No. 47 Constants 19
  20 Keuffel & Esser Co. NY USA N4058W BEGINNER'S SLIDE RULE                   A{B,CI,C}D,K {S,L,T} 25.00 Box Wood White Paint Plastic w met. spring Leather, Green, Thin K&E N4058W None None None Circ. No. 47 Constants 20
  21 Keuffel & Esser Co.   USA N4058W BEGINNER'S SLIDE RULE                   A{B,CI,C}D,K {S,L,T} 25.04 Box Wood White Paint Plastic w met. spring Leather, Green, Thin K&E None None None Circ. No. 47 Constants 21
  22 Keuffel & Esser Co. NY USA N4058W BEGINNER'S SLIDE RULE                   A{B,C}D {S,L,T] 25.00 Box Wood White Paint Glass, Metal Leather, Black, Thin K&E 4058W Slide Rule None None None Circ. No. 47 Constants 22
  23 Keuffel & Esser Co.   USA N4058W BEGINNER'S SLIDE RULE                   A{B,CI,C}D,K {S,L,T} 25.00 Box Wood White Paint Plastic w met. spring Leather, Green, Thin K&E None None None K&E on slide. Newer than 6 23
  24 Keuffel & Esser Co. NY USA 4058C BEGINNER'S SLIDE RULE                   A{B,C}D {S,L,T] 25.00 Box Wood Clear Varnish Glass, Wood, met. sp. Leather, Cardboard, Black K&E BEGINNER'S SLIDE RULE 4058C None None None Circ. No. 47 Constants 24
  25 Keuffel & Esser Co. NY USA 4058 W BEGINNER'S SLIDE RULE                   A{B,C}D {S,L,T] 25.03 Box Wood White Paint Glass, Metal Leather, Cardboard, Black K&E BEGINNER'S SLIDE RULE 4058W None None None Circ. No. 47 Constants 25
  26 Keuffel & Esser Co. NY USA <4088-3>   344883 06/05/1900 12/22/1908         Pat. Pend.   DF{CF,CIF,C}D K,A{B,S,T,CI}D,L 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Brown   None None None   26
  27 Keuffel & Esser Co. NY USA <4056>   943971 1,934,232           Pat. Pend.   A{B,C}D {S,L,T] 25.00 Mahagony Plastic Glass, Metal None   None None None Circ. No. 47 Constants 27
  28 Keuffel & Esser Co.   USA N4080-3 LOG LOG DUPLEX TRIG 510175 1,930,852 2,168,056 2,170,144 2,285,722 2,422,649     1947 LL01,K,A{CF,CIF,CI,C}D,L,LL1 LL02,LL03,DF{B,T,ST,S}D,LL3,LL2 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Black K&E None None None Runner cracked & loose 28
  29 Keuffel & Esser Co.   USA <4071-3>   775824 2,500,460 2,168,056 2,170,144 Pat. Pend.     2,086,502 C symb. DF{CF,CIF,CI,C}D,L K,A{B,T,ST,S}D,DI 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Black K&E PAT 2,000,337 None None None   29
  30 Keuffel & Esser Co. NY USA N<4053-3>   23170 06/05/1900           2,086,502   A{B,CI,C}D,K {S,.,T} 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Brown, no top   None None 10 inch; 25 cm Constants w/o Circ # 30
  31 Keuffel & Esser Co. NY USA   COOKE RADIO SLIDE RULE 822934 1,930,852 2,168,056 2,170,144 Pat. Pend.     2,086,502   L,DF{B,T,ST,S}D,2 PI LC,A{CF,CIF,CI,C}D,DI 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Brown PAT 2,000,337 None None None E.A. Oberg stamped on slide 31
  32 Keuffel & Esser Co. NY USA <N4053-3>   990235 1,930,852           2,086,502   A{B,CI,C}D,K {S,L,T} 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Brown 4053-3S PAT 2,000,337 None None 10 inch; 25 cm   32
  33 Keuffel & Esser Co.   USA 4081-3 LOG LOG DUPLEX DECITRIG reg 367719 2,500,460 2,168,056 2,170,144 2,285,722 2,422,649     1947 LL01,L,K,A{B,T,SRT,S}D,DI,LL1 LL02,LL03,DF{CF,CIF,CI,C}D,LL3,LL2 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Brown PAT 2,000,337 None None None   33
  34 Keuffel & Esser Co. NY USA <4080-3>   040437 RE.20,094 1,930,852 2,168,056 2,170,144 Pat. Pend.   2,086,502   L,LL1,DF{CF,CIF,CI,C}D,LL3,LL2 LL0,LL00,A{B,T,ST,S}D,DI,K 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Brown K&E None None None   34
  35 Keuffel & Esser Co.   USA 68 1251   125923 2,168,056 2,170,144 2,285,722 2,422,649 2,500,460 2,534,695   1947 LL01,L,K,A{B,T,SRT,S}D,DI,LL1 LL02,LL03,DF{CF,CIF,CI,C}D,LL3,LL2 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Brown K&E None None None   35
  36 Keuffel & Esser Co. NY USA <4081-3>   129640 RE.20,094 1,930,852 2,168,056 2,170,144 Pat. Pend.   2,086,502   L,LL1,DF{CF,CIF,CI,C}D,LL3,LL2 LL0,LL00,A{B,T,ST,S}D,DI,K 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Brown LOG LOG DUPLEX DECITRIG TRADE MARK K&E 4081-3S PAT 2,000,337 None None None Jerry K. Molton on case 36
  37 Keuffel & Esser Co.   USA 4161-3 MANNHEIM TYPE 222146               C symb. K,DF{CF,L,CI,C}D,A {T,ST,S,C} 24.87 Plastic   Glass, Plastic, Metal Leather, Green K&E Yes C 1943,5,7,52 10 inch; 25 cm Constants on back 37
  38 Keuffel & Esser Co.   USA 4161-3 MANNHEIM TYPE 223678               C symb. K,DF{CF,L,CI,C}D,A {T,ST,S,C} 24.87 Plastic   Glass, Plastic, Metal Leather, Green K&E Yes C 1943,5,7,52 10 inch; 25 cm Constants on back - How to care pamphlet 38
  39 Keuffel & Esser Co.   USA 4181-1   038691 2,168,056 2,170,144 2,285,722 2,422,649 2,500,460 2,534,695   1947 LL02,LL03,DF{CF,CIF,CI,C}D,LL3,LL2 LL01,L,D,A{B,T,ST,S,D,DI,LL1 12.50 Plastic   Glass, Plastic, Metal Leather, Green K&E None None None   39
  40 Keuffel & Esser Co. NY USA <4090-3>   477991 1,488,686 1,930,852 Pat. Pend.       Pat. Pend.   LL0,A{CF,CIF,CI,C}T,S2,S1 L,LL1,DF{B,K,CI}D.LL3,LL2 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Black K&E None None None   40
  41 Aristo   Germany Nr. 0970 MultiLog CHARVOZ                   LL01,LL02,LL03,DF{CF,CIF,L,CI,C}D,LL3,LL2,LL1 LL00,K,A{B,T,ST,S,C}D,DI,LL0 25.02 Plastic   Plastic, Metal Leather, Black CHARVOZ ARISTO None None None   41
  42 Aristo   Germany Nr. 0903 Scholar                   L,K,A{B,CI,C}D,S,ST,T   25.06 Plastic   Plastic, Metal Leather, Cardboard, Tan ARISTO SCHOLAR 09 None None 10 inch; 25 cm DBGM FEINMESSINSTITUT KLAWUN, Hannover 42
  43 CASTELL (MEGEX) ZURICH Germany                       LL2,A{B,CI,C}D,LL3,DYNAMO,VOLT   12.45 Plastic   Plastic, Metal Leather, Cream   None None None   43
  44 A. W. Faber-Castell Pencil Co. Inc. NJ Germany 57/58                     K,A{B,CI,C}D,L   24.97 Plastic   Plastic, Metal Leather, Green Rietz System Slide Rule 10" Yes None 10 inch Constants on back - 44
  45 FABER-CASTELL   Germany 2/82 Duplex                   CM,T1,T2,A{B,BI,CI,C}D,P,S,INCH LL03,LL02,LL01,K{K1,L,ST,CF}DF,LL1,LL2,LL3 25.00 Plastic   Plastic, Metal Leather, Cardboard, Green FABER-CASTELL 2/82 None None 10 inch; 25 cm   45
  46 Charles Bruning Co.   USA 2401                     A{B,CI,C}D,K {S,L,T} 12.69 Plastic   Glass, Plastic, Metal Leather, Brown BRUNING None None 5 inch; 12.5 cm Same as 1444-P Post 46
  47 Sterling Plastics Co. NJ USA No. 689 PRECISION                   A{B,CI,C}D,K   25.01 Plastic   Plastic, Metal, Bk line     Bubble pack Yes None Package Copyright 1965; red letters on center 47
  48 Sterling Plastics Co. NJ USA   PRECISION                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Red line     None None None All lettering in black 48
  49 Sterling Plastics Co. NJ USA NO. 584                     A{B,CI,C}D,K {S,L,T} 25.00 Plastic   Plastic, Metal, Bk line     None None None All lettering in black; direction sheet 49
  50 Sterling Plastics Co. NJ USA   PRECISION                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Red line     None None None All lettering in black 50
  51 Sterling Plastics Co. NJ USA   PRECISION                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Red line     None None None Red letters on center rule 51
  52 Sterling Plastics Co. NJ USA   PRECISION                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Red line     None None None All lettering in black 52
  53 Sterling Plastics Co. NJ USA   PRECISION                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Bk line     None None None All lettering in black; larger SP symb. 53
  54 Sterling Plastics Co. NJ USA   PRECISION                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Red line Plastic, cheap   None Yes None Red letters on center rule; larger SP symb. 54
  55 Sterling Plastics Co. NJ USA NO. 589 PRECISION 10" SENIOR                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Red line Plastic, cheap   None Yes None Green tint on center rule; larger SP symb. 55
  56 Sterling Plastics Co. NJ USA NO. 589 PRECISION 10" SENIOR                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Red line Plastic, cheap   None Yes None Red letters on center rule; larger SP symb. 56
  57 Sterling Plastics Co. NJ USA NO. 589 PRECISION                   A{B,CI,C}D,K {S,L,T} 25.01 Plastic   Plastic, Metal, Bk line     None None None Green tint on center rule; larger SP symb. 57
  58 Sterling Plastics Co. NJ USA NO. 587                     A{B,CI,C}D,K {S,L,T} 12.55 Plastic   Plastic, Metal, Red line Leather, Cloth, Black   None Yes None All lettering in black; MicroTek handout 58
  59 Sterling Plastics Co. NJ USA NO. 587                     A{B,CI,C}D,K {S,L,T} 12.55 Plastic   Plastic, Metal, Bk line Plastic, cheap   None Yes None All lettering in black 59
  60 Sterling Plastics Co. NJ USA   POCKET METRIC CONVERTER                   A{IN-CM,M-FT,ETC}A CELSIUS - FAHRENHEIT 12.52 Plastic   Plastic, Metal, Bk line Plastic, cheap   None None None All lettering in black, yellow plastic 60
  61 Sterling Plastics Co. NJ USA   METRIC CONVERTER                   A{IN-CM,M-FT,ETC}A {OZ-GM,ETC} 12.52 Plastic   Plastic, Metal, Bk line     None None None Yellow tint on center rule; all letters black 61
  62 Sterling Plastics Co. NJ USA NO. 594 DECIMAL TRIG LOG-LOG                   LL02,LL03,DF{B,T<45,T>45,ST,S}D,LL3,LL2 LL01,K,A{CF,CIF,L,CI,C}D,DI,LL1 25.03 Plastic   Plastic, Metal, Bk line Plastic, cheap   None None None All lettering in black 62
  63 Sterling Plastics Co. NJ USA NO. 594 DECIMAL TRIG LOG-LOG                   LL02,LL03,DF{B,T<45,T>45,ST,S}D,LL3,LL2 LL01,K,A{CF,CIF,L,CI,C}D,DI,LL1 25.03 Plastic   Plastic, Metal, Red line Plastic, cheap   None Yes None All lettering in black 63
  64 Sterling Plastics Co. NJ USA No. 511 ACU-MATH MANHEIM PORFESSIONAL                   S,K,A{B,CI,C}D,L,T   25.04 METAL ?   Plastic, Metal, Bk line Plastic, cheap   None Yes Conversion factors on back All lettering in black, Copyright 1968 on box 64
  65 Sterling Plastics Co. NJ USA No. 511 ACU-MATH MANHEIM PORFESSIONAL                   S,K,A{B,CI,C}D,L,T   25.04 METAL ?   Plastic, Metal, Bk line Oilcloth, tan   None None Conversion factors on back All lettering in black 65
  66 ACU-RULE MANUFACTURING CO.(?) MO USA No. 400                     S,K,A{B,CI,C}D,L,T   25.04 Plastic   Plastic, Metal, Bk line     None None None All lettering in black 66
  67 ACU-RULE MANUFACTURING CO.(?) MO USA No. 500                     S,K,A{B,CI,C}D,L,T   25.04 Plastic   Plastic, Metal, Bk line Thin leather, tan   None None Conversion factors on back All lettering in black 67
  68 ACU-RULE MANUFACTURING CO.(?) MO USA No. 500                     S,K,A{B,CI,C}D,L,T   25.04 Plastic   Plastic, Metal, Bk line Thin leather, tan   None None Conversion factors on back All lettering in black 68
  69 ACU-RULE MANUFACTURING CO.(?) MO USA No. 600 BASIC TRIG                   S,S&T,K,A{B,CI,C}D,L,T   25.00 Plastic   Plastic, Metal, Bk line Thin leatier, tan   None None Conversion factors on back All lettering in black, unique horiz. scribe 69
  70 ACU-RULE MANUFACTURING CO.(?) MO USA No. 700 PROFESSIONAL MANNHEIM TRIG                   K,A{CF,CIF,CI,C}D,D1,L DF{B,T,ST,S}D 25.06 Plastic   Plastic, Metal, Bk line Thin leather, tan   None None Conversion factors on back Red and black lettering, newer logo 70
  71 ACU-RULE MANUFACTURING CO.(?) MO USA No. 150                     LL01,K,A{CF,CIF,CI,C}D,L,LL1 LL02,LL03,DF{B,T,ST,S}D,LL3,LL2 25.06 Plastic   Plastic, Metal, Bk line     None None None Red and black lettering, newer logo 71
  72 ACU-RULE MANUFACTURING CO.(?) MO USA No. 400                     S,K,A{B,CI,C}D,L,T   25.00 Plastic   Plastic, Metal, Bk line     None None None All lettering in black, newer logo 72
  73 ACU-RULE MANUFACTURING CO.(?) MO USA NO.1200                     K,A{B,CI,C}D,L {S,T} 12.51 Plastic   Plastic, Metal, Bk line Plastic, Black   None No. 44P None All lettering in black, newer logo 73
  74 ACU-RULE MANUFACTURING CO.(?) MO USA NO.1240                     K,A{B,CI,C}D,L   12.52 Plastic   Plastic, Metal, Bk line Plastic, Black   None No. 44P None All lettering in black, newer logo 74
  75 SCIENTIFIC INSTRUMENTS CO.   JAPAN NO.1050   30594                 K,A{B,CI,C}D,L {S,S&T,T} 24.97 Bamboo Plastic Metal,Glass (glass gone) Leather, Brown SIC None None 10 inch; 25 cm; convr. factors Mixed red & black letttering 75
  76 SCIENTIFIC INSTRUMENTS CO.   JAPAN NO.1510                   1961 LL1-,LL2-,LL3-,DF{CF,CIF,CI,D}D,LL3,LL2,LL1 LL0-,L,K,A{B,S,ST,T,C}D,DI,P,LL0 24.97 Bamboo Plastic Plastic, Metal, Red line Leather, Brown SIC None None None Runner screw missing 76
  77 COMPASS   JAPAN NO. 1321 DK-2                   L,LL1,DF{CF,CIF,CI,C}D,LL3,LL2 LL0,LL00,A{B,K,CI,C}D,S,ST,T 25.00 Bamboo Plastic Plastic, Metal, Red line Leather, Brown COMPASS, MADE IN JAPAN None None None Crack in one runner glass 77
  78 ALBERT NESTLER A. - G. LAHR GERMANY                       A{PAINT SCRAPED OFF}D {S,L,T} 25.02 Maple (?) White Paint Missing Cardboard, Black   None None None Circ. No. 47 Constants 78
  79 ENGINEERING INSTRUMENTS, INC IND USA 250.V MODEL 250-V   Pat. Pend.               A{B,CI,C}D,K {S,L,T} 24.99 Box Wood Plastic Missing     None None None Conversion factors on back - small print 79
  80 ENGINEERING INSTRUMENTS, INC IND USA       Pat. Pend.               A{B,CI,C}D,K {S,L,T} 25.00 Box Wood White Paint Plastic, Metal, Bk line     None None None Conversion factors on back - small print 80
  81 ENGINEERING INSTRUMENTS, INC IND USA   MODEL 10B   Pat. Pend.               A{B,CI,C}D,K   25.00 Box Wood White Paint Plastic, Metal, Bk line     Yes None None Conversion factors on back - large print 81
  82 ENGINEERING INSTRUMENTS, INC IND USA   MODEL 10B   Pat. Pend.               A{B,CI,C}D,K   25.00 Box Wood White Paint Plastic, Metal, Bk line     Yes None None Conversion factors on back - small print 82
  83 ENGINEERING INSTRUMENTS, INC IND USA 250.V MODEL 250-V   Pat. Pend.               A{B,CI,C}D,K {S,L,T} 24.99 Box Wood Plastic Plastic, Bk line Plastic, thin, blue PC-6-57 (inside case) Yes Yes None Conversion factors on back - small print 83
  84 RICHARDSON RULE WORKS   USA     1776 01/31/1911 03/26/1912             K,SIN,A1{B1,CI1,C1}D1,TAN,LOG0   24.99 Metal Enamel Missing Leather, Cardboard, Tan   None None None   84
  85 D. VAN NOSTRAND CO., INC. NY USA                       A{B,CI,C}D,K {S,L,T} 25.05 Box Wood White Paint Plastic, Red line     Yes None 10 inch; 25 cm Conversion factors on back - small print 85
  86 EMPIRE PENCIL COMPANY TN USA   PEDIGREE (COPYRIGHT SYMBOL)                   A{B,CI,C}D,K {S,L,T} 25.04 Plastic   Plastic, Red line     None None None   86
  87 EMPIRE PENCIL COMPANY TN USA   PEDIGREE (COPYRIGHT SYMBOL)                   A{B,CI,C}D,K {S,L,T} 12.50 Plastic   Plastic, Red line     Bubble pack Yes None $1.29 original price printed 87
  88 EUGENT DIETZGEN CO.   USA CAT.NO.1732 MANIPHASE MULTIPLEX 500789 2,170,144 2,285,722         Pat. Pend.   LL0,LL00,A{CF,CIF,C}D,DI,K L,LL1,DF{B,T,ST,S}D,LL3,LL2 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Cardboard, Black E D Co design; DIETZGEN SLIDE RULE None None None DECIMAL TRIG TYPE LOG LOG RULE 88
  89 DIETZGEN     CAT. NO. 1749 MANIPHASE-MULTIPLEX STYLE-M                   DF{CD,CIF,CI,C}D,L K,A{B,T,ST,S}D,DI 25.00 Metal White Enamel Plastic, Metal, Bk line Leather, Cardboard, Brown DIETZGEN None None None DECIMAL TRIG TYPE MANIPHASE RULE 89
  90 DIETZGEN   USA 1768P RELIANCE                   A{B,CI,C}D,K {S,L,T} 25.00 Box Wood Plastic Plastic, Red line Vinal, Cloth, Brown   None None 10 inch; 25 cm; convr. factors   90
  91 DIETZGEN   USA 1768P RELIANCE                   A{B,CI,C}D,K {S,L,T} 25.00 Box Wood Plastic Missing Vinal, Cloth, Brown   None None 10 inch; 25 cm; convr. factors   91
  92 DIETZGEN   USA 1767P NATIONAL                   A{B,CI,C}D,K {S,L,T} 25.00 Box Wood White Paint Missing Plastic, Brown   Yes None None   92
  93 DIETZGEN   JAPAN No.178                     S,K,A{B,CI,C}D,L,T   24.89 Plastic   Plastic, Red line Plastic, clear & orange   None AM/1767/ISB None Warped 93
  94 DIETZGEN   USA                       K,A{B,CI,C}D {S,L,T} 12.66 Plastic   Missing Vinal, Cloth, Brown   None None None   94
  95 ECOBRA     No. 1300                     A{B,C}D {S,L,T} 25.00 Aluminum   Plastic, Metal, Bk line Vinal covered bk snap box ECOBRA No. 1300 None None 10 inch; 25 cm   95
  96 Keuffel & Esser Co. NY USA 68 1100 DECILON 215918 2,422,649 2,500,460 2,534,695         1947&1961 SQ1,SQ2,DF{CF,CIF,L,CI,C}D,LN0,LN1,LN2,LN3 LN-3,LN-2,LN-1,LN-0,A{B,T,SRT,S,C}D,DI,K 24.90 Plastic   Glass, Plastic, Metal Leather, Brown K&E 10 DECI-LON Yes Yes None K&E Slide Rules book C 1962 96
  97 PICKETT   USA 140 MICROLINE                                           97
  98 PICKETT   USA N902-T SIMPLEX TRIG                                           98
  99 PICKETT   USA NO. 120                                             99
  100 PICKETT   USA N800-ES LOG LOG SPEED RULE                                           100
  101 PICKETT   USA N-515-T ELECTRONIC                                           101
  102 PICKETT   USA N-500-ES HI LOG LOG                                           102
  103 PICKETT   USA 140 MICROLINE                                           103
  104 PICKETT   USA 140 MICROLINE                                           104
  105 PICKETT   USA 140 MICROLINE                                           105
  106 PICKETT   USA 140 MICROLINE                                           106
  107 PICKETT   USA 140 MICROLINE                                           107
  108 PICKETT   USA 140 MICROLINE                                           108
  109 PICKETT   USA 140 MICROLINE                                           109
  110 PICKETT   USA 140 MICROLINE                                           110
  111 PICKETT   USA 140 MICROLINE                                           111
  112 PICKETT   USA 121 MICROLINE                                           112
  113 PICKETT   USA 120T MICROLINE                                           113
  114 PICKETT   USA 120 MICROLINE                                           114
  115 PICKETT   USA 120 MICROLINE                                           115
  116 PICKETT   USA 120 MICROLINE                                           116
  117 PICKETT   USA 120 MICROLINE                                           117
  118 PICKETT   USA 120 MICROLINE                                           118
  119 PICKETT   USA 120 MICROLINE                                           119
  120 PICKETT   USA 120 MICROLINE                                           120
  121 PICKETT   USA 120 MICROLINE                                           121
  122 PICKETT   USA 120 MICROLINE                                           122
  123 PICKETT   USA N904-ES TRIG AND DECIMAL KEEPER                                           123
  124 PICKETT   USA 80                                             124
  125 PICKETT   USA 80                                             125
  126 PICKETT   USA 80                                             126
  127 PICKETT   USA 120 MICROLINE                                           127
  128 PICKETT   USA 120 MICROLINE                                           128
  129 PICKETT   USA 120 MICROLINE - OLD STYLE                                           129
  130 PICKETT   USA 80                                             130
  131 PICKETT   USA PR-12 Clear Plastic                                           131
  132 PICKETT   USA N902-ES SIMPLEX TRIG                                           132
  133 PICKETT   USA N902-ES SIMPLEX TRIG                                           133
  134 PICKETT   USA 120 MICROLINE                                           134
  135 PICKETT   USA N902-ES SIMPLEX TRIG                                           135
  136 PICKETT   USA N902-ES SIMPLEX TRIG                                           136
  137 PICKETT   USA N902-ES SIMPLEX TRIG                                           137
  138 PICKETT   USA 902 - TRIG                                           138
  139 PICKETT   USA N1020-ES NATIONAL RADIO INSTITUTE                                           139
  140 PICKETT   USA 901-T SIMPLEX                                           140
  141 PICKETT   USA 500 ORTHO-PHASE LOG LOG                                           141
  142 PICKETT   USA 520 US AIR FOSCE AERIAL PHOTO A-1                                           142
  143 PICKETT   USA 1010-T                                             143
  144 PICKETT   USA N 1010-ES TRIG                                           144
  145 PICKETT   USA N1010-ES TRIG                                           145
  146 PICKETT   USA N-500-T HI LOG LOG                                           146
  147 PICKETT   USA N1010-ES TRIG                                           147
  148 PICKETT   USA N803-ES LOG LOG SPEED RULE DUAL BASE                                           148
  149 PICKETT   USA N-515-T ELECTRONIC - CLEVELAND INST.                                           149
  150 PICKETT   USA N 3-ES POWER LOG EXPONENTIAL                                           150
  151 PICKETT   USA 4-ES DUAL-BASE LOG LOG RECIP. SC.                                           151
  152 PICKETT   USA N-500-ES HI LOG LOG                                           152
  153 PICKETT   USA N-16-ES ELECTRONIC LOG LOG DUAL BASE                                           153
  154 PICKETT   USA N4-ES VECTOR-TYPE LOG LOG DUAL BASE                                           154
  155 PICKETT   USA N-500-ES HI LOG LOG                                           155
  156 PICKETT   USA N-500-ES HI LOG LOG                                           156
  157 PICKETT   USA 160 TRIG 6"                                           157
  158 PICKETT   USA 300 COPYRIGHT 1947 12.5 CM                                           158
  159 PICKETT   USA 200 12.5 CM                   K,A{B,CI,C}D,L {S,ST,T} 12.50 Magnesium? Enamel Glass, Metal, Bk line Leather, Brown Pickett SADDLE LEATHER PAT.PEND. None None None Circa 1945-1950 159
  160 PICKETT   USA 160 12.5 CM                                           160
  161 PICKETT   USA 160 12.5 CM                                           161
  162 PICKETT   USA 101-C DIAL RULE (CIRCULAR) 9.7 CM                                           162
  163 SHANGHAI   CHINA 1202                         12.45 Plastic   Plastic, Metal, Red line             163
  164 PARISIAN NOVELTY CO. IL USA   FOR ATLAS CHAIN & MANU. CO.                       15.18 Thin Plastic   Plastic, Metal, Bk line     None Yes Yes   164
  165 PR KY USA   FOR GE                       15.15 Thin Plastic   Plastic, Bk line             165
  166 EMPIRE PENCIL COMPANY TN USA   PEDIGREE (COPYRIGHT SYMBOL)                       25.05 Plastic   Plastic, Red line             166
  167 CONCISE   JAPAN   CIRCULAR FOR SHELL OIL                       6.51 Plastic   Plastic, Red line             167
  168 CONCISE   JAPAN   CIRCULAR FOR TRANSCO PRODUCTS                       6.55 Plastic   Plastic, Red line             168
  169 CONCISE   JAPAN NO.28N CIRCULAR FOR AAMES-WARNER                       6.55 Plastic   Plastic, Red line             169
  170 CONCISE   JAPAN NO.28N CIRCULAR                       6.55 Plastic   Plastic, Red line             170
  171 CONCISE INTERNATIONAL CO. LTD   JAPAN MODEL 600 CIRCULAR FOR BRIGHAM Y UNIV.                       6.00 Plastic   Plastic, Red line           EXTENSIVE CONSTANTS ON PULL OUT CARD 171
  172 CONCISE   JAPAN   CIRCULAR FOR LUSTEVECO                       5.20 Plastic   Plastic, Red line             172
  173 CONCISE   JAPAN NO.300 CIRCULAR                       7.95 Plastic   Plastic, Red line             173
  174 A. LIETZ CO. CA USA NO. 2971 MADE IN OCCUPIED JAPAN                       12.51 Bamboo Plastic Missing     None None 5 inch; 13 cm A few constants, including g 174
  175 A. LIETZ CO. CA USA BINARY CIRCULAR                 1931     20.26 Metal Enamel Plastic, Bk line Fake leather, Brown   None Yes None MANU. BY GILSON? 175
  176 KOH-I-NOOR       RAPHOPLEX, FRANCE                       25.00 Plastic   Plastic, Metal, Red line Leather, Black   None None None   176
  177 FULLERTON-ACU   USA NO. 400 MANNHEIM                       25.02 Plastic   Plastic, Bk line             177
  178 FULLERTON-ACU   USA NO. 400 MANNHEIM                       25.02 Plastic   Plastic, Bk line             178
  179 GILSON SLIDE RULE CO. FL USA   CIRCULAR                 1931     20.10 Metal Enamel Plastic, Bk line             179
  180 SCIENCE SERVICE DC USA                           18.70 Box Wood White Paint Plastic, Metal, Bk line           1958 SCIENCE KIT 180
  181 SANS & STREIFFE   JAPAN NO.313                         12.50 Plastic   Plastic, Metal, Red line             181
  182 SANS & STREIFFE   JAPAN NO.311                         25.00 Plastic   Plastic, Metal, Red line             182
  183 LUTZ   USA NO.102S                         24.97 Plastic   Plastic, Metal, Red line             183
  184 PICKETT   USA N 531-ES FOR CREI                                           184
  185 Aristo   Germany Nr. 0903 Scholar FOR CREI                   L,K,A{B,CI,C}D,S,ST,T {S,LL2,LL3} 25.06 Plastic   Plastic, Metal Leather, Cardboard, Gray CAPITOL RADIO ENG. INST. None None 10 inch; 25 cm CAPITOL RADIO ENG. INST. CHARVOZ 185
  186 FESTUS MFG. CO. MO USA   Acu-Rule                       25.00 Box Wood   Glass, Metal, Red line             186
  187 JASON   JAPAN NO.803                         24.99     Missing             187
  188 HOFFMAN   DENMARK No. 601 FOR CONVEYOR CORP.                       12.50                   188
  189 IWA   FRANCE? 1640                         12.50                   189
  190 LAWRENCE ENGINEERING SERVICE IN USA 10B                                             190
  191 LAWRENCE ENGINEERING SERVICE IN USA 10B                                             191
  192 LAWRENCE ENGINEERING SERVICE IN USA 10B                                             192
  193 LAWRENCE ENGINEERING SERVICE IN USA 10B                                             193
  194 LAWRENCE ENGINEERING SERVICE IN USA 250-BT                                             194
  195 RELAY   JAPAN NO. 150                                             195
  196 RELAY   JAPAN NO.81 MISSING SLIDE & RUNNER                                           196
  197 SUN HEMMI   JAPAN 44BB-100 FOR TELEDYNE POST                                           197
  198 SUN HEMMI   JAPAN 1447 FREDERICK POST CO.                                           198
  199 SUN HEMMI   JAPAN 1447P FREDERICK POST CO.                                           199
  200 SUN HEMMI   JAPAN 1452W FREDERICK POST CO.                                           200
  201 SUN HEMMI   JAPAN NO. 256                                             201
  202 HEMMI   JAPAN 1460 F. POST CO. VERSALOG                                           202
  203 SUN HEMMI   JAPAN NO. 250                                             203
  204     JAPAN 1460 F. POST CO. VERSALOG                                           204
  205 HEMMI   JAPAN 1447 FREDERICK POST CO.                                           205
  206 SUN HEMMI   JAPAN                                               206
  207 SUN HEMMI   JAPAN                       A{B,C}D {S,L,T} 25.04 Bamboo Plastic Glass, Metal, Red line Leather, Cardboard, Gray SUN HEMMI'S BAMBOO SLIDE RULE (STAR SYMBOL) None None 10 inch; 27 cm   207
  208 SUN HEMMI   OCCUPIED JAPAN NO. 2664                     K,DF{CF,CI,C}D,A {TI2,TI1,L,SI1} 25.01 Bamboo Plastic Glass, Metal, Red line Cardboard, Black SUN HEMMI BAMBOO SLIDE RULE MADE IN JAPAN NO. 2664 None None 10 inch; 27 cm   208
  209 HEMMI   JAPAN 1447 FREDERICK POST CO.                                           209
  210 HEMMI   JAPAN 1445 POST                                           210
  211 HEMMI   JAPAN 1447 FREDERICK POST CO.                                           211
  212 HEMMI   JAPAN 1447 FREDERICK POST CO.                                           212
  213 HEMMI   JAPAN 1445 POST                                           213
  214 SUN HEMMI   JAPAN 1444K FREDERICK POST CO.                                           214
  215 SUN HEMMI   JAPAN NO. P35 YOKOGAWA-HEWELETT-PACKARD LTD                                           215
  216 SUN HEMMI   JAPAN NO. 135 SYSTEM DARMSTADT                                           216
  217 FREDRICK POST CO.   USA 1444P                                             217
  218                                                     218
                                                         
                                                         
                                                         
  The following rules were displayed at the Oughtred Society meeting in 1992.                                                      
  ID Manufacturer St Country Model Name Serial Patent Patent Patent Patent Patent Patent Slide Pat Copyright Scales Scales L (cm) BaseMaterial ShellMaterial RunnerMaterial Case CaseMarkings Box Instruct Other Scales Comments ID
  3 Keuffel & Esser Co. NY USA <N4053-3>   286138 06/05/1900           2,086,502   A{B,CI,C}D   25.00 Mahagony Plastic Glass, Plastic Leather, Cardboard, Black 4053-3 None None 10 inch; 25 cm Circ. No. 47 Constants 3
  45 FABER-CASTELL   Germany 2/82 Duplex                   CM,T1,T2,A{B,BI,CI,C}D,P,S,INCH LL03,LL02,LL01,K{K1,L,ST,CF}DF,LL1,LL2,LL3 25.00 Plastic   Plastic, Metal Leather, Cardboard, Green FABER-CASTELL 2/82 None None 10 inch; 25 cm   45
  84 RICHARDSON RULE WORKS   USA     1776 01/31/1911 03/26/1912             K,SIN,A1{B1,CI1,C1}D1,TAN,LOG0   24.99 Metal Enamel Missing Leather, Cardboard, Tan   None None None   84
  88 EUGENT DIETZGEN CO.   USA CAT.NO.1732 MANIPHASE MULTIPLEX 500789 2,170,144 2,285,722         Pat. Pend.   LL0,LL00,A{CF,CIF,C}D,DI,K L,LL1,DF{B,T,ST,S}D,LL3,LL2 25.00 Mahagony Plastic Glass, Plastic, Metal Leather, Cardboard, Black E D Co design; DIETZGEN SLIDE RULE None None None DECIMAL TRIG TYPE LOG LOG RULE 88
  95 ECOBRA     No. 1300                     A{B,C}D {S,L,T} 25.00 Aluminum   Plastic, Metal, Bk line Vinal covered bk snap box ECOBRA No. 1300 None None 10 inch; 25 cm   95
  159 PICKETT   USA 200 12.5 CM                   K,A{B,CI,C}D,L {S,ST,T} 12.50 Magnesium? Enamel Glass, Metal, Bk line Leather, Brown Pickett SADDLE LEATHER PAT.PEND. None None None Circa 1945-1950 159
  175 A. LIETZ CO. CA USA BINARY CIRCULAR                 1931     20.26 Metal Enamel Plastic, Bk line Fake leather, Brown   None Yes None MANU. BY GILSON? 175
  179 GILSON SLIDE RULE CO. FL USA   CIRCULAR                 1931     20.10 Metal Enamel Plastic, Bk line             179
  207 SUN HEMMI   JAPAN                       A{B,C}D {S,L,T} 25.04 Bamboo Plastic Glass, Metal, Red line Leather, Cardboard, Gray SUN HEMMI'S BAMBOO SLIDE RULE (STAR SYMBOL) None None 10 inch; 27 cm   207
  208 SUN HEMMI   OCCUPIED JAPAN NO. 2664                     K,DF{CF,CI,C}D,A {TI2,TI1,L,SI1} 25.01 Bamboo Plastic Glass, Metal, Red line Cardboard, Black SUN HEMMI BAMBOO SLIDE RULE MADE IN JAPAN NO. 2664 None None 10 inch; 27 cm   208


Last Updated on 1/6/01
By J&J Lahr
Email: john at lahr.org