-
$235.00
Antique wooden 3D painting. handmade. Germany. Early 20th century. Original
-
$350.00
STEPHENSON -PFAHL HARDENABILTY SLIDE RULE
-
$59.59
Pickett Dual Base Speed Rule Model N803-ES LOG LOG with Leather Case- Free Ship
-
$266.14
Vintage Keuffel & Esser Deci-Lon 10 Slide Rule with Leather Case, Instr. Manual
-
$32.61
VTG 1970 Round Slide Rule Concise Int'l Ltd. Co. Japan Small Pocket Size w/ Case
-
$60.00
Pickett Dial Rule, Circular Slide Rule 101-C, Lietz 3077, w/Leather Case
-
$16.99
Post 1447 Hemmi Slide Rule
-
$60.00
Vintage Pickett N 3-ES Metal Slide Rule w/ Leather Case
-
$19.95
Vintage ACCU-MATH #1311 Slide Rule with Case Professional Engineer A+
-
$39.00
Slide Rule Keuffel & Esser Copyright 1947 Wood Dark Green Leather? Case
-
$36.50
Keuffel & Esser K&E 4081-3 Slide Rule - Log Log Duplex Decitrig - Made In USA
-
$15.50
Vintage 6" Pocket Slide Rule Picket Made in Japan Advertising A.M.Byers Company
-
$48.95
VTG ESSO Oil Aviation True Course Air Speed Correction Chart Circular Slide Rule
-
$36.00
Vintage Slide Rule Faber-Castell 1/54 Darmstadt 1951 w/Case
-
$49.99
RARE Vintage Tachymeter Slide Ruler in Case A.W.Faber Castell 1/75/375
-
$212.29
1957 Pilot's Flight Computer Navigation Airplane Aviation Slide Rule KNP-57 E6B
-
$20.00
Vintage K&E N4053-5 20 Inch Slide Rule In Case
-
$19.99
Vintage Pickett Model N902-T Simplex Trig Slide Rule With Case
-
$8.85
Vintage IRC Resist-O-Guide Resistor Color Code - OHMS Calculator Wheel © 1946
-
$41.00
Concise Ruler Circular Slide Rule No. 270N 100812 100mm Made IN JAPAN
-
$39.50
Sun Hemmi Slide Rule No.259 Japan Bamboo ~ Vintage
-
$8.49
Vintage Globemaster 10" Slide Rule 62205 Japan
-
$76.88
VINTAGE 1959 Pickett N4-ES Slide Rule Leather Case Log Dual Base Speed Rule
-
$22.50
PICKET & ECKEL INC SLIDE RULER 1959 Model n 1006-ES VINTAGE
-
$20.00
CHARVOZ ROOS Model SR-104 SLIDE RULE with Case Made In USA
-
$15.95
VINTAGE 1948 PICKETT & ECKEL MODEL 1000 ORTHO-PHASE DUPLEX SLIDE RULE
-
$29.90
Vintage Dietzgen Microglide Slide Rule
-
$34.99
British Thornton Slide Ruler-P 221 Comprehensive With Original Plastic Case
-
$50.00
Pickett And Reckel Model 600 Synchro Sliding Scale
-
$190.00
ANTIQUE BRITISH ARMY NAVY CSL CoOp Society Ltd Divided Engineers Ruler BOXSET.
-
$179.99
Hemmi Bamboo Slide Rule NO. 259 with case and instruction book
-
$19.99
VINTAGE 1958 WRIGHT CHEMICAL CORP WATER COOLING CALCULATOR CHICAGO PERRY GRAF
-
$49.99
Vintage Fractometer Addiator Made In Germany w/ Case Free Ship Great Condition
-
$23.98
FABER CASTELL 57/87 VINTAGE SLIDE RULE COMPLETE WITH CASE/BOX/BOOKLET~~~
-
$30.00
Pickett Slide Rule Model 931-ES National Radio Institute
-
$49.95
GILSON Binary 8" Circular Slide Rule, VTG, with Original Manual & Cover
-
$45.00
Pickett Slide Ruler N-300-ES Log Log Ruler All Metal w/ Leather Case VTG 1962
-
$399.99
Keuffel & Esser K&E 20-inch "Mystery" Slide Rule w/ side K scale- Serial #924660
-
$44.00
Vintage Logarithmic Ruler KL 1 USSR Mathematical Calculator 1967 Soviet #5585
-
$34.87
Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm
-
$10.00
VTG Acumath Slide Rule No. 400
-
$20.15
Motor Data Slide Chart
-
$23.49
Vintage Circular Midget Slide Rule Copyright 1931 / 1936 Made In USA
-
$18.99
Frederick Post 1441 Slide Rule, Case Pocket Size w Magnifier Occupied Japan
-
$19.99
Slide Rule Keuffel & Esser No 4080-3 Log Log Duplex Trig With Leather Case 13" L
-
$13.00
Pickett N-515-T Slide Rule Ruler HAS WARE from estate sale
-
$59.99
Pickett Model N4-T Slide Rule w/ Leather Case - NICE!!! SHIPS FREE!!!
-
$8.00
Vintage 1960 - Calculator Slide Rule ~ UNION CARBIDE ~ Pipe Fitting Indicator
-
$9.99
Vintage Slide Rule Ruler Case Charles Bruning #2420 - Leather Case Only
-
$29.00
Relay Ideal Bamboo Slide Rule Made In Japan Compass 495
-
$19.99
Vintage Proportional Scale Slide Rule Photostat Rochester NY & Printers Shopper
-
$9.99
Vintage 1960s ACUMATH No. 400B Slide Rule with Original Black Vinyl Case
-
$120.00
Vintage Pickett N600-ES 6" Slide Rule w/ Leather Case Belt Clip
-
$499.99
Pickett Executive Model X-3 Slide Rule - Power Log Exponential Log Log Dual Base
-
$289.99
Sun Hemmi Electronics / Electrical Engineer Pocket Slide Rule | Rare Sliderule!
-
$25.00
Vintage Arithma Addiator Addition Subtraction Calculator w/ Slip Case & manual
-
$425.00
48" Vintage Pickett All-American Slide Rule Hanger Advertisement Store Display
-
$84.99
VINTAGE Pickett N4-ES Slide Rule Leather Case Log Dual Base Speed Rule
-
$10.00
1971 Endevco Vibration Computer Slide Rule Perrygraf Shock Dynamic Instruments
-
$9.99
Circular Slide Ruler Computer Fullerton 1499 Acudial
-
$9.99
Graham Company Payback Calculator Adjustable Freq Fan Drive Slide Rule Vintage
-
$24.94
Vintage Keuffel & Esser Co Polyphase Wooden Slide Rule 4053-3 10" Patent Pending
-
$43.96
Frederick Post Versalog Bamboo Slide Rule 1460 Hemmi Clean Leather Case Japan
-
$19.50
Vintage Keuffel & Esser K+E Slide Rule 4053-3 Hard Leather Case, 10 1/2”
-
$34.00
Vintage Arithma ADDIATOR Machine Calculator with Stylus, Sleeve & Manual~Germany
-
$79.98
3-291 Sun/Hemmi//No.259 /Advanced/Slide Rule/For Chemical Engineering
-
$18.00
Collection Of 6 Vintage Slide Computers, Army National Guard, Sears, Arrow, Etc.
-
$22.83
Vintage Accu Math No. 1240 Slide Rule With Case
-
$160.41
Faber-Castell 2/82N Biplex Slide Rule In Leather Case. Made In Germany. Vintage
-
$12.99
Vintage Westinghouse Slide Rule w Magnifying Cursor and Leather Slip Case 4pcs
-
$7.00
CARD BOARD SLIDE, 1941 OHM'S LAW CALCULATOR, OHMITE MFG. CO. CHICAGO, IL.
-
$18.95
Vintage Slide Rule Keuffel & Esser with Case
-
$279.99
S.I.C. Scientific Instruments Co. 1610 Professional Circular Slide Rule
-
$15.00
Vintage ACU-MATH Slide Rule No. 1211 - Pre Owned - No Sleeve
-
$35.00
Vintage Keuffel & Esser 4081-5 Slide Rule Instrument w/ Leather-Case Need Repair
-
$7.00
Vintage Pedigree Precision Slide Rule by Empire.
-
$68.00
Pickett 101-C Circular Slide Rule Dial Rule Case & Manual Hartung
-
$40.00
Lot of 4 Drafting Rulers Keuffel & Esser K+E Sun Hemmi Rulers Slide Rule Paragon
-
$75.00
Alvin Elite Multilog 1157 Slide Rule With Leather Case, Manual - Vintage
-
$20.70
X-ACT SLIDE RULE NO 222P DENMARK ALVIN MACHINE DIVIDED CASE
-
$40.00
Vintage Keuffel & Esser Co. K&E Slide Rule 4083-3 With Leather Case Made in USA
-
$59.99
Vintage Faber-Castell D-Stab 52/82 Duplex Log-Log Slide Rule w/Case & Manual
-
$6.00
Vintage NOS Pickett Slide Rule (2) Spring Clips PN 55 New Old Stock
-
$21.87
SUN HEMMI HUGHES OWENS CO. NO.1777 vintage slide rule Japan w/ leather case EXCE
-
$154.99
Nuclear Blast / Atomic Burst Slide Rule | AERE Water Contamination Calculator
-
$24.99
Vintage Compass Brand Slide Rule - Compass No. 1321 Slide Rule With Leather Case
-
$39.95
Slide Rule Nestler 11 ZO With Sheath Buchmann Dusseldorf Germany Scarce Vintage
-
$49.99
Vintage Slide Rule Lot of 3 Pickett 803-T - Pickett N1010-ES - Post 1450
-
$70.00
Sun Hemmi Bamboo No. 256 Slide Rule w/ Leather Case -Japan -Electrical Engineer
-
$199.97
Pickett 108ES Circular Slide Rule with Case - Trig Vintage Japan 108-ES
-
$14.99
VTG 1963 ADSCO SLIDE CALCULATOR ANCHOR THRUST & PIPE GUIDE SPACING ADVERTISING
-
$61.52
Henmi No.255D Slide Rule
-
$24.95
Vintage FREDERICK POST Slide Rule No. 1437 Mannheim Trig
-
$28.44
ARISTO STUDIO Slide Rule Nr 0968 In Hard Plastic Case Made In Germany Vintage
-
$26.99
Vintage Pickett Model No. 300 Metal 6" Pocket Slide Rule With Case See Pix!!
-
$34.99
Vintage K&E Polyphase Duplex Scientific Slide Rule W/Original Case 249897 USA
-
$29.95
Vintage Keuffel & Esser Polyphase Slide Rule N4053-3 w/ Matching Leather Sheath
-
$50.00
Hemmi P36 plastic pocket slide rule, fair condition, in original case
-
$99.00
Vintage Logarithmic Ruler KL 1 USSR Mathematical Calculator 1967 Soviet #5288
-
$89.00
Slide Ruler in Leather Case With Log Log Book