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OWATONNA OMC Minnesota ALBERT LEA Queen THERMOS Metal Serial Plate TAG VINTAGE

$ 10.56 $ 6.33

Celebrate the Century Technologic Achievements TV First Day Cover

$ 20.23 $ 12.13

Tesla Holesovice Lightbulb Factory Plant Spark Flash Advertising Pin Badge

$ 8.79 $ 5.27

Vintage Slide Rule Calculator - NGC NATIONAL CYLINDER GAS CO. - CO2 Volume - F2B

$ 14.07 $ 8.44

Russian Book Radiation Nuclear Energy Geothermal Power Plant Thermal Station

$ 23.61 $ 14.17

Manual of Structural Design and Engineering Solutions M. Walmer P.E. 1977 4th

$ 40.46 $ 24.27

NEAT (& RARE) OLD VTG STATE OF ARKANSAS ROADSIDE ORANGE SAFETY VEST, 1970's ERA

$ 9.82 $ 5.89

Elektrosvit One Million Cooler Fridge Units Produced Czechoslovak Pin Badge

$ 13.19 $ 7.91

Chemical Industries Magazine November 1935 Monsanto Martin Dennis

$ 19.52 $ 11.71

Chemical Industries Magazine March 1942 Monsanto J Edgar Hoover

$ 19.52 $ 11.71

1883 magazine engraving ~ MANUFACTURE OF IRON BY THE PETROLEUM PROCESS

$ 10.36 $ 6.21

1885 magazine engraving~ THREE HUNDRED POUNDS OF DYNAMITE EXPLODED UNDER A HULK

$ 6.38 $ 3.82

1885 small magazine engraving~ BOULDER BEFORE EXPLOSION Nitro-Glycerine canister

$ 6.38 $ 3.82

1885 small magazine engraving~ BOULDER AFTER EXPLOSION, Nitro-Glycerine canister

$ 5.74 $ 3.44

1885 magazine engraving~ EFFECT OF A FEW OUNCES OF DYNAMITE ON SOLID OAK TIMBER

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1885 magazine engraving~ FIFTY POUNDS OF DYNAMITE EXPLODED UNDER BARREL TARGET

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Antique Scale Roberval Strength 22lbs Old Commerce Vintage Grocery Tradesman

$ 65.31 $ 39.18

Engineering BOOK "THERMAL CONTROL DEVICES" pre WWII 1934 VINTAGE SOVIET Russian

$ 13.2 $ 7.91

1945 Illustration~ THORNTON OAKLEY~Fine Steel Pours Forth from Electric Furnace;

$ 5.27 $ 3.16

The Stanford Linear Accelerator Center SLAC by Wolfgang K.H. Panofsky Brochure

$ 19.57 $ 11.74

Box of 4 New Buss TL 20 Tron Edison base Time Delay Fuses 20A fuse

$ 4.84 $ 2.9

1935 DUNHAM HAND BOOK #514 (C.A. DUNHAM CO., CHICAGO - STEAMHEATING

$ 13.2 $ 7.91

Vintage Slide Rule Calculator - DUPONT - Freon Refrigerants Temp. To Press. - F2

$ 21.99 $ 13.19

SCARCE Vintage 1964 Lord Torsional/Coupling Calculator Slide Rule - FUN!

$ 16.58 $ 9.95

1964 Wimbledon Live Eurovision TV Television Photo ITT Vintage Magazine Print Ad

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Vintage Liquid Filled Lensatic Folding Cover Engineer Directional Compass

$ 19.8 $ 11.88

1963 POPULAR SCIENCE MARCH VOL. 182 NO. 3 NEW KIND OF MOTOR – BOATS – SON OF C

$ 5.21 $ 3.13

Lot of 10 Vintage C. 1960 Nalco Product Bulletin T8

$ 26.39 $ 15.83

1952 New Departure Hand Book, Ball Bearing Dimensions, 21st Edition Vol. 1 VG

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pair vintage GE USN CG 2N1613 430 NPN Transistor Gold leads

$ 21.99 $ 13.19

Vintage T-square Engineering USSR Soviet A

$ 13.2 $ 7.91

The Perpetual Motion Mystery: A Continuing Quest by R.A. Ford 1987 Lost Tech

$ 43.99 $ 26.39

Aristo 1323 Vintage Leather Case Scale Ruler

$ 13.2 $ 7.91

Vtg 1980s Engineer Core YANTAN DAM Hongshui River Dahua County Guangxi China TVA

$ 46.19 $ 27.71

Journal of the American Society of Civil Engineers 1957 Washington DC Area

$ 1.75 $ 1.05

1927 Browning Truck Cranes New Metal Sign: 6 x 18" - Cleveland, Ohio

$ 17.49 $ 10.49

Helix Oxford Mathematical Instruments Divider Compass Ruler Triangle Box FREE SH

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Weiler logo Metal 9x5" designs, engineers and manufactures equipment

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vintage Paper Ephemera: 1950 CASSEL PERPECTIVE INDICATORS ad sheet

$ 21.99 $ 13.19

vintage Pocket Rule: 6 in. SCIENTIFIC PRODUCTS S/P plastic

$ 21.12 $ 12.67

vintage Paper Ephemera: MODULAR DRAWINGS 1959, 22 page booklet

$ 17.78 $ 10.67

Six Ways To Figure Radiation Edited By Harold Alt Domestic Engineering Co. 1935

$ 11.43 $ 6.85

CERROLOW METAL ALLOY / m.p. 117°F / Low Temp Melting / 200gm

$ 22 $ 13.2

Braun Knecht Heimann Co., SF Qualitative filter paper 4-1/2" Cat. #28310

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Vintage Hand Held Survival Compass and Mirror Made in Germany dr39

$ 22 $ 13.2

Antique Thysssen AG German Steel Foundry Works WW2 Ships Tanks Company Pin Badge

$ 11.43 $ 6.85

Rock Mechanics by Alfreds R. Jumikis Civil Engineering Science Theory Practice

$ 30.79 $ 18.47

Timestudy Fundamentals for Foremen by Phil Carrol Jr SIGNED BY THE AUTHOR 1944

$ 21.99 $ 13.19

Principles of Electrical Engineering Theory and Practice Blalock, 1931 1st Editi

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1962 STAR NATURAL TRIGONOMETRIC FUNCTIONS FOLDOUT BOOOKLET BY MARTIN LANGE

$ 26.39 $ 15.83

Simpson Strong-Tie Epoxy-Tie Adhesive System Slide Rule Calculator ~ 1990's

$ 11.39 $ 6.83

1914 SMOLEY'S PARALLEL TABLES OF LOGARITHMS & SQUARES EIGHTH EDITION AS IS

$ 7.04 $ 4.22

VINTAGE 1940 WW2 ASTON & MANDER & CO MAKERS LONDON , 18 INCH

$ 131.12 $ 78.67

English Model Engineer & Practical Electrician Magazine - December 17, 1931

$ 8.8 $ 5.28

English Model Engineer & Practical Electrician Magazine - December 31, 1931

$ 8.8 $ 5.28

English Model Engineer & Practical Electrician Magazine - November 6, 1930

$ 8.8 $ 5.28

English Model Engineer & Practical Electrician Magazine - November 13, 1930

$ 8.8 $ 5.28

English Model Engineer & Practical Electrician Magazine - December 10, 1931

$ 8.8 $ 5.28

English Model Engineer & Practical Electrician Magazine - December 24, 1931

$ 8.8 $ 5.28

GERMANY INVESTA FACTORY Textile Machines and Sewing Machines PIN BADGE

$ 5.28 $ 3.16

Sanitary Code Milk Ordinance Public Water Health Department 1940s Connecticut

$ 69.95 $ 41.97

ANTIQUE MECHANICAL CALCULATOR SLIDE ADDER / TRONCET / PRODUX RECORD / UNUSED

$ 51.92 $ 31.15

Barometer IN Porthole, Maritim Steering Wheel Barometer Brass On Wood Panel

$ 133.96 $ 80.37

1945 Illustration~THORNTON OAKLEY ~ Whirling Baskets Separate Sulfa from Liquor

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Practical Mechanical Problems and How to Solve Them by Lawrence Barrett No. 1324

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ANTIQUE MECHANICAL CALCULATOR SLIDE ADDER / TRONCET / PRODUX RECORD / UNUSED

$ 60.72 $ 36.43

Rare 1966 Omniducer Mark III #101 CNC Measuring Device, Numerical Control Corp,

$ 175.95 $ 105.57

Calculator Mechanical Soviet Russian Metallic Addiator Ruler Vintage Old USSR

$ 39.55 $ 23.73

Steel Weight Finder Vintage Alcott Calculator Co Made In USA

$ 23.75 $ 14.25

Russian Book Radiation Pollution Nuclear Energy Atomic NPP Power Plant Soviet Ol

$ 34.46 $ 20.67

American Society Of Civil Engineer Glasses, Set Of 4

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Brass 15" Theodolite-Transit Surveyors Alidade Vintage Surveying Instrument

$ 299.65 $ 179.79

1930 November Issue of Model Engineer & Practical Electrician Magazine

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Antique Collection - slide rule, statue, thermomoter and others

$ 24.63 $ 14.77

Antique Scale Lhomargy Cameras And Machinery Trials 0 With 50 Gr Draveil S&O

$ 77.78 $ 46.66

Antique Box Of 3 Weight Scale Robervale Bronze Chrome BK 4.4lbs; 2.2lbs; 2.2lbs

$ 82.69 $ 49.61

1900s Cotton Machinery Illustrated Catalog Pawtucket RI 1909 Engineering Steam

$ 39.6 $ 23.76

Mechanics Russian Book Energy storage preservation capsule spring flywheel Proje

$ 27.23 $ 16.34

Russian Book Radiation History Nuclear Energy Atomic NPP Power Plant Progress Ol

$ 16.5 $ 9.9

1901 Gould's Mfg. New Metal Sign: Mining, RR Pumps - Seneca Falls, NY - 6 x 18"

$ 17.49 $ 10.49

Russian Book Flight Air Plane Fight for Speed Car Technique Propaganda 1956 Old

$ 15.45 $ 9.27

1969 booklet - Everyday Glossary of Wire & Cable Terminology by SWC Co.

$ 6.99 $ 4.19

Vintage 1977 Texas Instruments TI-1025 Calculator w/ Box & Instructions

$ 11.43 $ 6.85

The Decontamination of Nuclear Installations Blythe Atomic Energy 1967 1st Ed.

$ 44.64 $ 26.78

Potential Environmental Effects of 765-kV Transmission Lines Cases 26529/26559

$ 60.71 $ 36.42

Concrete Formwork by Leonard Koel AIP Materials Foundations Flatwork Technical

$ 21.99 $ 13.19

Expert Systems for Civil Engineers Technology & Application Mary Lou Maher 1987

$ 21.99 $ 13.19

Lincoln Factory Executive Service Set of 36 Volumes Engineering Admin Economy

$ 70.39 $ 42.23

1953 MECHANIX ILLUSTRATED AUGUST FIGHTING FIRE FROM THE AIR ATOMIC POWER

$ 5.74 $ 3.44

Cooper Crouse Hinds Taxiway & Runway Lighting Slide Rule Calculator ~ 1980's

$ 13.15 $ 7.89

Vintage 1994 Science Engineering Fair of Houston Texas Patch 36th Annual Geek

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Vintage DuPont Thermodynamic Properties of Freon 22 Bulletin Catalog 1964 dq

$ 8.79 $ 5.27

Vintage Sporlan Catch All Filter Drier Bulletin Catalog 1978 dq

$ 7.91 $ 4.74

Vintage Conversion Factors Computer Handbook dq

$ 9.67 $ 5.8

Faber Castell slide rule 1/54 Darmstadt with case made in Germany

$ 29.03 $ 17.41

Vintage Sporlan Head Pressure Control Valves Bulletin Catalog 1976 dq

$ 7.91 $ 4.74

Vintage Thermodisc Microtemp Thermal Cutoffs Product Bulletin Lot dq

$ 6.15 $ 3.69

Vintage Tol-O-Matic Conversion Factors Computer Handbook

$ 6.15 $ 3.69

Alco Thermostatic Expansion Valves Operating Principles 1976 dq Vtg

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Vintage Sporlan Solenoid Valves Bulletin Catalog 1976 dq

$ 7.91 $ 4.74