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Lot of Slide and Circular Rules and Selectors (24)
Lot of Slide and Circular Rules and Selectors (24)

$50.00

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Pickett Circular Slide Rule Mark-up Calculator Model 107ES Vintage
Pickett Circular Slide Rule Mark-up Calculator Model 107ES Vintage

$48.00

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Pickett Circular Slide Rule Mark-up Calculator Model 107ES Vintage
Pickett Circular Slide Rule Mark-up Calculator Model 107ES Vintage

$38.00

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Vintage 2 Metal material Circular Slide Rules/China slide rule
Vintage 2 Metal material Circular Slide Rules/China slide rule

$50.00

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Vintage Concise No. 320 Circular Slide Rule w/Sleeve, Directions, Kurt Orban Co.
Vintage Concise No. 320 Circular Slide Rule w/Sleeve, Directions, Kurt Orban Co.

$12.95

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Lot of 2 Vintage Circular Slide Rules-Parker Seal Co & Quick Conversion NOS Lđź‘€K
Lot of 2 Vintage Circular Slide Rules-Parker Seal Co & Quick Conversion NOS Lđź‘€K

$17.50

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Fuller Calculator Circular Slide Rule, W.F. Stanley & Co Ltd., London 1952
Fuller Calculator Circular Slide Rule, W.F. Stanley & Co Ltd., London 1952

$425.00

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VINTAGE SCIENTIFIC INSTRUMENTS CIRCULAR SLIDE RULE IN ORIGINAL CASE
VINTAGE SCIENTIFIC INSTRUMENTS CIRCULAR SLIDE RULE IN ORIGINAL CASE

$80.00

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CONCISE Circular slide rule NO.28N (English Ver.) Made in Japan NEW
CONCISE Circular slide rule NO.28N (English Ver.) Made in Japan NEW

$27.40

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Vintage Circular Round Slide Rule Tavella 1930s
Vintage Circular Round Slide Rule Tavella 1930s

$34.99

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Vintage 2 Lathe Cutting Parameters Circular Slide Rules/China slide rule
Vintage 2 Lathe Cutting Parameters Circular Slide Rules/China slide rule

$50.00

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1955~15" circular cardboard slide rule~Borg-Warner Controls~product model #s
1955~15" circular cardboard slide rule~Borg-Warner Controls~product model #s

$22.85

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1960 & 1969 GE US GOVERNMENT +2 SAMA & ETANI CIRCULAR SLIDE RULES w/BOOKS &CASES
1960 & 1969 GE US GOVERNMENT +2 SAMA & ETANI CIRCULAR SLIDE RULES w/BOOKS &CASES

$138.95

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Concise Ruler Circular Slide Rule No.300 100829 110mm JAPAN
Concise Ruler Circular Slide Rule No.300 100829 110mm JAPAN

$63.46

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Rare 1950's Bulgaria Bulgarian Circular Slide Rule Calendar Road Map Distance
Rare 1950's Bulgaria Bulgarian Circular Slide Rule Calendar Road Map Distance

$60.00

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Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm
Concise Ruler Circular Slide Rule No. 300 100829 Made IN JAPAN 110mm

$36.19

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Vintage Key Line's Concise Circular Slide Rule 28N - Honeywell Flight Systems
Vintage Key Line's Concise Circular Slide Rule 28N - Honeywell Flight Systems

$25.49

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Vintage Pickett Circular Slide Rules 101-C with Case Manuel SEE PICTURES
Vintage Pickett Circular Slide Rules 101-C with Case Manuel SEE PICTURES

$77.49

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Vintage 1932 Circular Slide Rule D. Van Nostrand Co. Inc. 6" round
Vintage 1932 Circular Slide Rule D. Van Nostrand Co. Inc. 6" round

$17.09

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Fullerton Circular Slide Rule by K.K Konsaisu, Acudial Model# 1458, Used
Fullerton Circular Slide Rule by K.K Konsaisu, Acudial Model# 1458, Used

$29.00

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Vintage Pickett Dial Rule Circular Slide Rule 101-C
Vintage Pickett Dial Rule Circular Slide Rule 101-C

$40.00

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Circular Slide Rule Navigational Computer Key Chain US Navy Lockheed 1.5” w/Case
Circular Slide Rule Navigational Computer Key Chain US Navy Lockheed 1.5” w/Case

$49.95

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Vintage Concise Circular Slide Rule W/Original Case, Made In Japan, Excellent
Vintage Concise Circular Slide Rule W/Original Case, Made In Japan, Excellent

$15.00

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Vintage Pickett Circular Slide Rule Mark-up Calculator Model 103ES
Vintage Pickett Circular Slide Rule Mark-up Calculator Model 103ES

$40.00

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A-bomb calculator set, radiac and nuclear yield circular slide rule MINT
A-bomb calculator set, radiac and nuclear yield circular slide rule MINT

$60.00

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Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR 1966
Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR 1966

$40.00

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Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1
Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1

$30.00

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Vintage Concise Circular Pocket Slide Rule & Tables Shell Oil Exploration
Vintage Concise Circular Pocket Slide Rule & Tables Shell Oil Exploration

$19.95

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Vintage Circular Slide Rule Lot Hypercores, Richter Spring, Microdot 60’s
Vintage Circular Slide Rule Lot Hypercores, Richter Spring, Microdot 60’s

$28.00

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Charpentier Calculimetre. Circular Slide Rule Antique Made In France.
Charpentier Calculimetre. Circular Slide Rule Antique Made In France.

$320.00

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Vintage Circular Slide Rule STADARDGRAPH â„–905+Case+Manual Made in Germany-1962
Vintage Circular Slide Rule STADARDGRAPH â„–905+Case+Manual Made in Germany-1962

$100.00

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Concise Ruler Circular Slide Rule No.300 100829 Made IN JAPAN 110mm Brand NEW
Concise Ruler Circular Slide Rule No.300 100829 Made IN JAPAN 110mm Brand NEW

$41.99

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Fullerton Circular Slide Rule with Case No 1450 and Instructions Vintage Japan
Fullerton Circular Slide Rule with Case No 1450 and Instructions Vintage Japan

$49.99

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Vintage Fullerton Circular Slide Rule No. 1450 Vulcan Laboratories, Inc
Vintage Fullerton Circular Slide Rule No. 1450 Vulcan Laboratories, Inc

$12.00

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Smith Chart Calculator & Mega-Rule - Radio Transmission Line Circular Slide Rule
Smith Chart Calculator & Mega-Rule - Radio Transmission Line Circular Slide Rule

$125.00

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Vintage Picklands Mather & Co Concise Circular Slide Rule Calculator Advertising
Vintage Picklands Mather & Co Concise Circular Slide Rule Calculator Advertising

$35.00

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Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm
Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm

$39.59

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CONCISE Circular Slide Rule #28 Plastic Sponsored by FMC Made in Japan
CONCISE Circular Slide Rule #28 Plastic Sponsored by FMC Made in Japan

$19.00

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Slid Rule Engineer Logarithmic KL-1 Mathematical Circular Calculator USSR 1967
Slid Rule Engineer Logarithmic KL-1 Mathematical Circular Calculator USSR 1967

$49.99

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Logarithmic Rule KL-1 Soviet Circular Slide Vintage Mathematical Calculator USSR
Logarithmic Rule KL-1 Soviet Circular Slide Vintage Mathematical Calculator USSR

$69.99

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Vintage Stadia Circular Slide Rule/China slide rule
Vintage Stadia Circular Slide Rule/China slide rule

$40.00

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Vintage Scientific Instruments Co (SIC) Professional Circular Slide Rule No 120
Vintage Scientific Instruments Co (SIC) Professional Circular Slide Rule No 120

$149.00

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Vintage 24" Circular Slide Rule Durex Plastics Division Wheel Chart READ
Vintage 24" Circular Slide Rule Durex Plastics Division Wheel Chart READ

$25.48

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Warren Knight Circular Slide Rule 1931 1935 Case and Slide Rule Manual Book
Warren Knight Circular Slide Rule 1931 1935 Case and Slide Rule Manual Book

$43.99

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CONCISE circular slide rule 27N 100805 Made in Japan NEW
CONCISE circular slide rule 27N 100805 Made in Japan NEW

$26.76

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Vintage Soviet Circular Slide Rule 1960s,USSR Soviet Pocket Calculator
Vintage Soviet Circular Slide Rule 1960s,USSR Soviet Pocket Calculator

$35.00

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Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm NEW
Concise Ruler Circular Slide Rule No. 270N 100812 Made IN JAPAN 100mm NEW

$28.08

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1959 General Industrial Co. Circular Slide Rule Chicago, Illinois
1959 General Industrial Co. Circular Slide Rule Chicago, Illinois

$14.95

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TWO CIRCULAR CONCISE SLIDE RULES-AIRCRAFT NAVIGATION TOOLS
TWO CIRCULAR CONCISE SLIDE RULES-AIRCRAFT NAVIGATION TOOLS

$8.00

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Vintage Rare ARISTO MERCATOR 623 Circular Slide Rule GERMANY
Vintage Rare ARISTO MERCATOR 623 Circular Slide Rule GERMANY

$95.00

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Irvington Fullerton Circular Slide Rule And Case by K.K Konsaisu Japan Used
Irvington Fullerton Circular Slide Rule And Case by K.K Konsaisu Japan Used

$16.12

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USSR Engineer Logarithmic Mathematical Circular Slide Rule KL-1
USSR Engineer Logarithmic Mathematical Circular Slide Rule KL-1

$30.00

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Sama & Etani Concise Chemical Science Tables and Circular Slide Rule Vintage1968
Sama & Etani Concise Chemical Science Tables and Circular Slide Rule Vintage1968

$75.00

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Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1967
Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR 1967

$39.99

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Concise Ruler Circular Slide Rule No. 270N Made IN JAPAN 100mm Caterpillar
Concise Ruler Circular Slide Rule No. 270N Made IN JAPAN 100mm Caterpillar

$25.00

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Vtg C-Thru Ruler Co Proportional Scale Circular Slide Rule PS 69 5" Round USA
Vtg C-Thru Ruler Co Proportional Scale Circular Slide Rule PS 69 5" Round USA

$3.00

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Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR
Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR

$40.00

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Procentor Circular Slide Rule West Germany Vintage
Procentor Circular Slide Rule West Germany Vintage

$69.99

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Vintage Concise Circular Slide Rule Japan
Vintage Concise Circular Slide Rule Japan

$20.00

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Vintage C-Thru Ruler Co. PC-81 Circular Slide Rule - PROFIT COMPUTER
Vintage C-Thru Ruler Co. PC-81 Circular Slide Rule - PROFIT COMPUTER

$24.95

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Super Takeda's Concise Circular Slide Rules
Super Takeda's Concise Circular Slide Rules

$39.85

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Rare VTG 1938 Metal Circular Slide Rule Wire Calculator Volt Electrical Amps USA
Rare VTG 1938 Metal Circular Slide Rule Wire Calculator Volt Electrical Amps USA

$131.99

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CONCISE Vtg MADE IN JAPAN Circular Engineers Drafting SLIDE RULE w/Case- No. 270
CONCISE Vtg MADE IN JAPAN Circular Engineers Drafting SLIDE RULE w/Case- No. 270

$27.99

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Vintage Pickett Circular Slide Rule Mark-up Calculator Model 103ES
Vintage Pickett Circular Slide Rule Mark-up Calculator Model 103ES

$39.99

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Vintage Precise Stadia Circular Slide Rule/China slide rule
Vintage Precise Stadia Circular Slide Rule/China slide rule

$30.00

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Fullerton 1450 Circular Slide Rule With Case & Instructions
Fullerton 1450 Circular Slide Rule With Case & Instructions

$59.50

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Vintage Concise Circular Slide Rules No 28 Instruction Booklet Takeda Drawing...
Vintage Concise Circular Slide Rules No 28 Instruction Booklet Takeda Drawing...

$12.22

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B15 Concise Model 28N Circular Slide Rule - No manual
B15 Concise Model 28N Circular Slide Rule - No manual

$15.00

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VTG Curve Measurement and Design Circular Slide Rule/China slide rule
VTG Curve Measurement and Design Circular Slide Rule/China slide rule

$60.00

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3 Vintage Scientic Insruments Round Slide Rule, Dead Reckoning, German Controler
3 Vintage Scientic Insruments Round Slide Rule, Dead Reckoning, German Controler

$75.00

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VINTAGE Mobil Oil Complete Concise Circular Slide Rule No 28 N Made in Japan NOS
VINTAGE Mobil Oil Complete Concise Circular Slide Rule No 28 N Made in Japan NOS

$24.99

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Concise 260 Circular Slide Rule Japan with Directions and Case - Japan - NICE
Concise 260 Circular Slide Rule Japan with Directions and Case - Japan - NICE

$29.95

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Vintage Slide Rule Analog round shape RARE out of print From Japan Made in Japan
Vintage Slide Rule Analog round shape RARE out of print From Japan Made in Japan

$87.00

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Slide Rule Round KL-1 Clock Type Engineering Ruler Calculator USSR
Slide Rule Round KL-1 Clock Type Engineering Ruler Calculator USSR

$29.99

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Halden Calculex - Patent Circular Slide Rule with case and instruction manual
Halden Calculex - Patent Circular Slide Rule with case and instruction manual

$97.72

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Concise Circular Slide Rule
Concise Circular Slide Rule

$31.65

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Sama & Etani Concise Circular Slide Rule 1969 US GOVERNMENT slide-outs mod. 600
Sama & Etani Concise Circular Slide Rule 1969 US GOVERNMENT slide-outs mod. 600

$34.99

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Monsanto Circular Slide Rule Gauge Elements Chemicals Engineering Vintage Case
Monsanto Circular Slide Rule Gauge Elements Chemicals Engineering Vintage Case

$49.99

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RARE Greenlee Circular Slide Rule, Production Estimator—Spindle Speed Calculator
RARE Greenlee Circular Slide Rule, Production Estimator—Spindle Speed Calculator

$40.00

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Concise Circular Slide Rule CTCS-552 & Conversion Table / Slide-Out Card / Instr
Concise Circular Slide Rule CTCS-552 & Conversion Table / Slide-Out Card / Instr

$10.00

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vintage BROWN BOVERI & Manual - Circular Slide Rule - For Motors
vintage BROWN BOVERI & Manual - Circular Slide Rule - For Motors

$49.00

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Vintage 1959 General Industrial Circular Slide Rule Chart PERRYGRAF USA VG Cond
Vintage 1959 General Industrial Circular Slide Rule Chart PERRYGRAF USA VG Cond

$13.49

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Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1
Vintage Soviet Logarithmic Engineer Circular Slide Lineup Rule Ruler KL-1

$40.00

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Concise Ruler Circular Slide Rule No. 28 Darby Corp With Sleeve Japan
Concise Ruler Circular Slide Rule No. 28 Darby Corp With Sleeve Japan

$19.95

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Set Of Three BT / British Telecom Circular Slide Rules / Calculators
Set Of Three BT / British Telecom Circular Slide Rules / Calculators

$24.42

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Vintage Fullerton Circular Slide Rule Trigonometry Multiplication Division P080
Vintage Fullerton Circular Slide Rule Trigonometry Multiplication Division P080

$24.50

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Vintage Slide Rule Metal Weight Circular Slide Rule/China slide rule
Vintage Slide Rule Metal Weight Circular Slide Rule/China slide rule

$30.00

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Vintage Pickett Dial Rule Circular Slide Rule 101-C in Case with Manual 1957
Vintage Pickett Dial Rule Circular Slide Rule 101-C in Case with Manual 1957

$75.00

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Concise Slide Rule Circular No 28 Made in Japan CUSTOM PRODUCTS LOUISVILLE KY
Concise Slide Rule Circular No 28 Made in Japan CUSTOM PRODUCTS LOUISVILLE KY

$39.99

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Vintage Concise Slide Rule Shell Japan Round Circular
Vintage Concise Slide Rule Shell Japan Round Circular

$29.99

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Vintage Soviet Russian Pocket Slide Rule Circular Calculator KL-1 Mechanical
Vintage Soviet Russian Pocket Slide Rule Circular Calculator KL-1 Mechanical

$30.00

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RL Vintage USSR Russian Radiation Dosimetric Nuclear Circular Slide Rule #10590
RL Vintage USSR Russian Radiation Dosimetric Nuclear Circular Slide Rule #10590

$30.00

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Machinist Items Round Compass Slide Rule Eyesaver Ruler Lot of 4 Vintage
Machinist Items Round Compass Slide Rule Eyesaver Ruler Lot of 4 Vintage

$46.53

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Concise Circular Slide Rule Ruler Gauge
Concise Circular Slide Rule Ruler Gauge

$41.46

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Vintage CONCISE CIRCULAR SLIDE RULE No. 28 Kenworth Diesel Truck w Sleeve Manual
Vintage CONCISE CIRCULAR SLIDE RULE No. 28 Kenworth Diesel Truck w Sleeve Manual

$25.00

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American Concrete Pipe Association Pipe Selector and Circular Slide Rule ©1974
American Concrete Pipe Association Pipe Selector and Circular Slide Rule ©1974

$14.99

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Johnson Wax Circular Slide Rule for Cost Margin of Profit/Mark Up Calculator
Johnson Wax Circular Slide Rule for Cost Margin of Profit/Mark Up Calculator

$22.99

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Vintage AT&T E-5699 L Multiplex Measurement Calculator Circular Slide Rule
Vintage AT&T E-5699 L Multiplex Measurement Calculator Circular Slide Rule

$6.39

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Vintage Soviet Russian Pocket Slide Rule Circular Calculator KL-1 Mechanical
Vintage Soviet Russian Pocket Slide Rule Circular Calculator KL-1 Mechanical

$68.00

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Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR B
Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR B

$39.99

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