 | ANTIQUE IVORY FOLDING RULE EXTENDS 36" SUPERB CONDITION
$485.00 |
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|  | 1942 STEAM LOCOMOTIVE superheat Wheel piston TrucK rail
$9.99 |
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 | 1929 ART DECO SCIENCE - SPIRIT OF ELECTRICITY POSTER
$21.95 |
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|  | 10 Vintage World Biggest OPTICAL Glass Prisms CHIPPED
$53.70 |
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 | 1920 Massive GE 3 Phase Electrostatic Ground Detector
$350.00 |
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|  | Thermodynamics of the Steam Engine 1914
$5.99 |
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 | Early Futurism Films on DVD Kitchen of the future
$8.99 |
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|  | Planers, Shapers and Slotters; Drilling and Boring #50
$7.99 |
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 | RARE ANTIQUE 19TH CENTURY DRAWING COMPASS INSTRUMENT
$1.99 |
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|  | Water Supply & Purification, Sewerage, Irrigation #136
$9.99 |
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 | LOT OF ANTIQUE ENGINEERING DRAFTING TOOLS DIVIDERS
$24.99 |
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|  | Amsler & Wirz Antique Surveyor's Compass Philadelphia
$49.00 |
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 | Vintage brass drafting tool set
$9.99 |
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|  | 1899 MICHIGAN COLLEGE OF MINES HOUGHTON MICHIGAN AD
$5.00 |
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 | VICTORIAN IVORY PARALLEL RULE
$125.00 |
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|  | Antique Marsh Instrument Pump Gauge San Francisco
$9.95 |
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 | Mine Surveying Theory & Practice, Mining Geology Books
$15.00 |
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|  | Drawing #39
$7.99 |
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 | Rare Antique GE Polyphase Wattmeter
$9.99 |
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|  | Dated 1926--Keuffel & Esser Drafting Tool ?--Good Shape
$5.00 |
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 | Antique "BETTS & BETTS NEW YORK" POWER GENERATOR? UNIT
$9.99 |
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|  | 1944 Antique - Coyne Practical Electricity Guide Vol. 1
$49.99 |
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 | SURVEYING for C P Railroad,antique engraving 1868
$14.00 |
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|  | Tyco Hygrodeik scale by Andrew J. Lloyd of Boston
$9.16 |
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 | 1920's Universal Drafting Machine & Catalog
$24.99 |
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|  | Antique W. H. Harling Hatchett Planimeter & Instruction
$90.00 |
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 | Rare Vintage 1929 Drafting Rotractor
$6.99 |
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|  | 1875 Running Steam Engines & Steam Boilers Book Roper
$9.99 |
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 | Rhodes Reducing Arc Lietz
$9.99 |
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|  | VICTORIAN IVORY RULE 6" SECTOR
$195.00 |
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 | CENTRAL SCIENTIFIC (CENCO) D.C. AMPERES METER, VERY OLD
$9.99 |
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|  | Vintage Weston Volt Meter 1930's 15 & 150 V
$10.00 |
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 | DUPONT AIRCRAFT EXPLOSIVE RIVET SELECTOR REAL OLD
$0.99 |
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|  | VICTORIAN IVORY FOLDING RULE 12" CIRCA 1880
$285.00 |
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 | Mathematics, Mechanics #171
$7.99 |
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|  | Antique Protractor Tool Lot Many dated 1890's
$6.95 |
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 | ANTIQUE KEUFFEL&ESSER SURVEYING TRANSIT/ K & E
$197.50 |
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|  | `36 STRUCTURAL ENGINEERING steel rock Stone iron worK +
$9.99 |
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 | ANTIQUE STANLEY IVORY FOLDING RULE 24" EXTENDED
$475.00 |
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|  | Antique drafting drawing tool set made c1880 RARE
$10.50 |
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SCARCE W N MATTHEWS TELEHEIGHT SIGHT LEVEL ST LOUIS MO
$2.25 |
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|  | vintage antique ELECTRICAL SWITCHBOARD PANEL BOARD wow!
$40.00 |
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 | VINTAGE BRASS 5000LB HYDRAULIC PRESS MFG CO STEAM GAUGE
$99.00 |
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|  | 1909 KEUFFEL & ESSER TWISTED FRAME TRANSIT
$495.00 |
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 | 1938 AC MOTOR Steam turbo WaterwheeL rectifier+ work HC
$9.99 |
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