Engineering Calculators

Very rare Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule USSR on E-Bay starting at $200.00

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Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR on E-Bay starting at $40.00

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Very rare Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule USSR on E-Bay starting at $205.00

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Very rare Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule USSR on E-Bay starting at $150.00

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Logarithmic Ruler KL-1 Round Lineup Calculator Slide Rule Rare USSR on E-Bay starting at $55.00

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HP-55 Mathematics Programs (1974) - Calculator Math Programming, Hewlett-Packard on E-Bay starting at $21.95

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Sojourn Mercantile

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GRAPHOPLEX 1960s POCKET CALCULATING SLIDE RULE~MADE IN FRANCE~MINT~LEATHER CASE on E-Bay starting at $75.00

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La Douchka Vintage

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CASIO Fx-991ex Classwiz Advanced Engineering Scientific Calculator-552 Functions on E-Bay starting at $14.99

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Automobile Chassis Design and Calculations Mir Publishers Moscow 1989 Lukin etc on E-Bay starting at $150.00

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macsons98

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Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR on E-Bay starting at $40.00

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Vintage Flea Market Ukraine

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Graphing Calculator - CATIGA CS121 - Scientific and Engineering Calculator on E-Bay starting at $44.99

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Sunlite Industrial Corp

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CASIO Fx-991ex Classwiz Advanced Engineering Scientific Calculator-552 Functions on E-Bay starting at $22.99

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RARE VTG PAPER SLIDE RULE "TEXACO GASOLINE ECONOMY CALCULATOR" GALLONS/MILEAGE on E-Bay starting at $17.99

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Mena Country Sales

Rating: 99.7%

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Vintage Original 1953 ALLIED OIL FUEL DATA CHART CALCULATOR RULER HEAT TEMP COAL on E-Bay starting at $29.99

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i-Middle

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Fenwal Thermistor Data Curve Computer Slide Rule Calculator 1959 on E-Bay starting at $9.95

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tedped

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Vintage machinist booklets and calculator slide on E-Bay starting at $14.00

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Vintage Westinghouse Extended Service Lamp Savings Calculator Dial Slide Rule on E-Bay starting at $14.95

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antiqueshere

Rating: 99.0%

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OLD CZECHOSLOVAKIAN LOGAREX 27403-X DARMSTADT SYSTEM SLIDE RULE CALCULATOR on E-Bay starting at $59.00

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Engineer Logarithmic Mathematical Circular Slide Rule KL-1 Calculator USSR on E-Bay starting at $44.99

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Allied’s Parallel Resistance Series Capacitance Calculator & Ohmite Calculator on E-Bay starting at $16.95

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Brown's Quality Goods

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Vintage 1934-36 Motorola Auto Radio Price List Circular Slide Calculator - Rare on E-Bay starting at $84.95

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tedped

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Universal Reference Calculator Moveable Sheet Drafting Design Data TAD USA 1982 on E-Bay starting at $15.00

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Vintage Industrial Slide Calculator Lot (27pcs) on E-Bay starting at $89.95

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Mega Joules Reselling

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4 Fountas and Pinnell Calculator Stopwatch - Paperback - VERY GOOD on E-Bay starting at $12.00

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SA Treasures

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ITT Lighting Calculator Slide Rule on E-Bay starting at $24.97

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Einstein Disguised As Robin Hood

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Armco Sewer Pipe Calculator Slide Rule on E-Bay starting at $24.97

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Einstein Disguised As Robin Hood

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Kramer Pressure Temperature Chart Calculator Slide Rule on E-Bay starting at $14.97

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Einstein Disguised As Robin Hood

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York Budget And Data Book Chart Calculator Slide Rule on E-Bay starting at $9.97

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Einstein Disguised As Robin Hood

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Vtg Jar Impact Calculator American Slide-Chart Corp Dailey Oil Tools 1980 on E-Bay starting at $17.99

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D-n-LPickin4u

Rating: 98.6%

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Vintage 1941 OHMITE Slide Rule Calculator Volt Amp Resistance Ohm's Law item 3 on E-Bay starting at $11.99

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NY Surplus Seller

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Vintage Soviet Pocket Mechanical Calculator Arithmometer Arithmetic Ruler USSR on E-Bay starting at $27.99

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18.vintage-store

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#15 of 19, RARE VTG 1950's? PAPER SLIDE RULE FLEXIBLE SHAFTING TORQUE CALCULATOR on E-Bay starting at $27.99

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Mena Country Sales

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Hard To Find Vintage 1953 BALLANTINE RULE Voltmeters Slide Rule Calculator USA on E-Bay starting at $5.95

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atwostep08

Rating: 99.9%

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Vintage 1953 BALLANTINE Voltmeters Scale Slide Rule Calculator USA on E-Bay starting at $5.95

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atwostep08

Rating: 99.9%

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SARGENT SYSTEMS Keyboard Calculator on E-Bay starting at $49.00

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TamOldElectronic

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GE Control & Protective Device Starters Selector vintage Slide Calculator on E-Bay starting at $14.00

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redtwigs

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1960 GE Motor Control & Overload Heater Selector vintage Slide Calculator on E-Bay starting at $14.00

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redtwigs

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OHMITE PARALLEL RESISTANCE CALCULATOR OHM'S LAW CALCULATOR C1949 SLIDE RULE on E-Bay starting at $9.95

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uniqueantiques1000

Rating: 97.4%

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AGFA Exposure Calculator Paper Slide 1975 USA on E-Bay starting at $12.95

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tedped

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Victor Technology 1208-2 Compact Reliable Commercial Receipt Printing Calculator on E-Bay starting at $14.57

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RetroLemon1

Rating: 99.3%

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OHMITE OHMS LAW CALCULATOR SLIDE RULE Excellent Condition on E-Bay starting at $15.00

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Tom and Anthony Hardware

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VTG Engineering Slide Rule Calculator 1956 Worthington Rotary Pump Perrygraf USA on E-Bay starting at $34.56

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VTG Slide Rule Calculators - Concrete Volume And Block Frank R Walker Co Chicago on E-Bay starting at $19.95

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Hendricks Carbondale PA Brass Slope Meter Mining & Socket Screw Calculator on E-Bay starting at $45.00

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snydersjunkyard

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Engineering Sliding Calculator for Electrical Buck-Boost Transformer Selection on E-Bay starting at $15.00

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VTG AS Radio Range Calculator 1964 Slide Chart Corp Perrygraf Corp. on E-Bay starting at $18.00

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We Give You Unique

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Vintage KELM Calculator Slide Rule “SHRINKAGE AND DRAFT CALCULATOR” WJ on E-Bay starting at $12.00

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salty.dog.antiques

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Vintage Sterling Precision Sliderule, Instructions + Bonus Concrete Calculator on E-Bay starting at $7.99

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Menagerie Emporium

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Fountas and Pinnell Calculator Stopwatch - Paperback - New Sealed Package on E-Bay starting at $9.95

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Vintage 1950 T&T Fast Wire Calculator w/cover Pasadena California SL on E-Bay starting at $15.75

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Thogersen's LLC

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