KEUFFEL&ESSER.CO DUPLEX DECITRIG N4081-3 1947 /CASE
Vintage R.C. Pickett Slide Rule Model 902 with case
MECHANICAL ENGINEER Parking Sign drafting slide ruler
Old K&E Slide Rule POLYPHASE
1908 Slide Rule Manual Circular Calculator Engineering
Pickett N-515-T Electronic Slide Rule CIE Logo W/Case
Faber-Castell Model Number 2/83N Slide Rule
1974 VINTAGE RUSSIAN SLIDE RULE COMPACT VARIANT
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DIETZGEN BASIK SLIDE RULE with CASE No.1765
Pert-O-Graph ll Critical Path Computer Slide Rule
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Dietzgen MANIPHASE Slide Rule manual
pickett trig slide rule
Sun Hemmi Slide Rule -- Japan
VINTAGE CHARLES BRUNING 5" POCKET SLIDE RULE #2401
1884 Thacher K&E Slide rule Engineering calculator ref
K & E Keuffel & Esser 620022 Drafting Planimeter
K & E Slide Rule N4081-3 20 Scales Keuffel & Esser Co +
1960 VINTAGE RUSSIAN SLIDE RULE COMPACT VARIANT
sliderule BOOKLET Mannheim by Cox 1920 Keuffel & Esser
PICKETT N600-ES SYNCHRO SCALE SLIDE RULE ??? EX. COND buy it $49.99
FIVE SLIDE RULES BONANZA
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KEUFFEL & ESSER CO. N.Y. SLIDE RULE PAT. 6-5-1900 LONG1
Two1955 K&E Silde Rule Manual Instruction Books 68 2047
SANS & STREIFFLE #311 SLIDE RULE w/ LEATHER CASE 12"
OMICRON 30" CAPACITY ELLIPSOGRAPH. TOP OF LINE MODEL
Pickett Vintage Slide Rule N109-ES Simplex Trig Rule
LOT 13 ViNtAgE slide rules Pickett Acu-Math K & E post
SLIDE RULE TIE CLIP
K& E Polyphase, Sterling plus one other Slide Rule .
SLIDE RULE,ARISTO-MULTILOG,MADE IN GERMANY,USED
Proportion Wheel Slide Rule
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KEUFFEL & ESSER CO. N.Y. SLIDE RULE PAT. 6-5-1900 10" L
Vintage Pickett Trainer Slide Ruler No.120 w/ case tool
Vintage Artist Ruler Set Sterling Co. Wood/Metal
K& E Polyphase, Sterling plus one other Slide Rule .
Pickett Vintage Slide Rule 1959 Model N1010-T Trig
Vintage 1909 Richardson Rule USA Slide Rule 1776
VINTAGE POST SLIDE RULE 1447 HEMMI JAPAN W/RED CASE buy it $21.95
Post Hemmi Versalog1450 Slide Rule Set, Complete, NM
VINTAGE RUSSIAN SOVIET SLIDE RULE 1970 YEAR
Oncor Drilling Tools Hydraulic Calculator Slide Rule
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