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1889 Bulletin Ganz & Co. (Hungary) - Very Early AC Generators and Transformers
Buy: $245.0
Antique Keuffel & Esser Thacher's Calculating Instrument
Buy: $995.0
Rare Antique 66 foot (4 Pole) steel Land Surveyors (Gunter) Chain 1850
$349.99
Antique Compas supérieurs drafting tools set
$275.0
RARE! 19th Century August Lingke & Co. Miners Compass
Buy: $525.0
ca1764 EDW D ROBERTS Old Jewery London Everard's Four Sided Boxwood Gauging Rule
$1950.0
1905  8 Vol Cyclopediea Engineering: Steam, Railroads, Surveying Bridges; Illust
$99.93
Antique Westinghouse Electric Motor 3hp 3ph 1899 Early Tesla Era Swam Hanover PA
$995.0
French Surveying Compass 1860-1880
Buy: $345.0
ANTIQUE SURVEYOR’S CLINOMETER / ABNEY LEVEL / INCLINOMETER
Buy: $79.5
Antique Brass Drawing Drafting Compass Protractor &Extras Set Architect Engineer
$42.99
Vintage Western Electric 35-C Test Set Relay Current Tester Bell System Year1917
$300.0
Vintage K+E KEUFFEL & ESSER CO 4242 Drafting Tool COMPENSATING POLAR PLANIMETER
$49.99
AMER INVENTOR MECHANICAL ENGINEER ELECTRICAL NEW HAVEN CONNECTICUT LETTER SIGNED
$1.99
Antique 19th Century Protractor/Ruler Drafting Drawing Architect Tool 6"
Buy: $119.96
Antique Troughton & Simms London Brass Surveyor's Transit
Buy: $399.0
EARLY W. & L.E. Gurley Brass Transit; Troy New York; Surveyor Engineer 1910
$498.0
Antique 24" Folding Rule S. Aston Maker
$350.0
Antique 24" Folding Rule Adie & Son Edinburgh
$350.0
Antique 1908 K&E KEUFFEL & ESSER Slide Rule 4088-3 w/ Black Carrying Case RARE!!
$99.99
Artificial Horizon by W & L.E. GURLEY TROY N.Y.  Sextant
$799.99
Antique Brass Compass W Provenance
$125.0
1925 CATALOG - THE FREDERICK POST CO. CHICAGO - ENGINEERING INSTRUMENTS
$109.0
K&E Keuffel & Esser See Through Wire Target 2.250 Dia.
$200.0
VERY EARLY Keuffel & Esser Slide Rule with Wood Frame Base back & Leather Sleeve
$39.99
KOH-I-NOOR 3000 RAPIDOGRAPH SCRIBER Engineering Drafting Drawing Lettering Guide
Buy: $899.0
Antique 1885 Cast Iron Bridge Sign Plaque King Iron Cleveland Ohio
$1050.0
Articles on Irrigation - Dept. of Territorial Engineer - New Mexico - 1908
$4.95
Antique Vintage Graduated Cut Off Tool Craftsmen Machinery Co. Boston Mass. L8A
Buy: $103.99
VINTAGE VISGAGE VISCOSITY COMPERATOR LOUIS C. ETIZEN CO.
Buy: $45.95
Keuffel & Esser Spherical Adapter with Collet
$180.0
1925 James Leffel & Co Steam Engine Export Catalog Springfield OH Vintage VG+
Buy: $36.95
Vintage square yardstick Plymouth Shoe Machinery Co. East Boston, Mass
Buy: $79.99
ANTIQUE G.CORADI ZURICH SWITZERLAND PLANIMETER
$529.98
1870 Manufacturer Builder Magazine John Ericsson Solar Heat Caloric Engine
$26.95
W. & L. E. Gurley Light Mountain Transit Folding Telescope Sights Surveying rare
Buy: $450.0
Antique Steel Drafting RULING PEN Drawing Tool Instrument Architect Accessory
$135.0
~  Unusual 19th c AMERICAN, 4-vane Surveying Vernier Compass, Cincinnati Cased ~
Buy: $2250.0
Visgage Model 400 Louis C. Eitzen Co.
$100.0
Vintage 1920s KEUFFEL & ESSER K+E N4053-3 Polyphase Mannheim Simplex Slide Rule
$24.95
Rudolph Plank Refrigeration History Thermodynamische Untersuchung Des Vorganges
$179.42
ANTIQUE GERMAN DRAFTING TOOL PROPORTIONAL DIVIDER E.O.RICHTER & Co CHEMNITZ
$189.99
Antique BRASS PROTRACTOR With 5 Point STAR MARK 3.75" Long
$24.99
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol II, Automobile
$7.5
1908 Westinghouse Electric Type EM Direct Current Motor Catalog Bulletin Antique
Buy: $22.95
Set Drafting Tools Technical Supply Co. Scranton PA. Made in Germany
$20.0
Vtg Amalgamated Lithographers of America Local No.1 Union Label NY Original Box
$29.99
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Moteur, Helio
$7.5
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, Schemas
$15.0
ANTIQUE PIX GROUND MEASURING WHEEL CLICKS EVERY 12" PLASTIC & JOINTED WOOD 29"
$220.0
Mechanical Appliances, Mechanical Movements and Novelties of Construction (Paper
Buy: $21.87
Antique K+E KEUFFEL & ESSER CO 4236 Drafting Tool COMPENSATING POLAR PLANIMETER
Buy: $100.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Moteur, Ferro-
$7.5
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, D. C. Moteurs
$15.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, A. C. Moteurs
$15.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, D.C. Moteurs
$15.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, Dispositifs
$15.0
1884 Norfolk Harbor Virginia Map Plan Soft Bottoms ARMY CORP ENGINEER ORIGINAL
$21.58
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Moteur, Cyano-
$7.5
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Moteur, Négatif
$7.5
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Cinématique
$10.0
Antique Handforged Iron Compass Drafting Tool
Buy: $64.99
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, Pile, Leclanc
$8.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Soupape
$8.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, Annonciateurs
$8.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, Usine CPDE
$10.0
K&E SPHERICAL ADAPTER with COLLET  AND THREADS
$295.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Moteur, Bromure
$10.5
Antique drafting tools in original case
$79.99
1921 BOOK - INVESTIGATION OF WARM-AIR FURNACES - UNIVERSITY OF ILLINOIS BULLETIN
$19.99
AUDELS ENGINEERS AND MECHANICS GUIDE 5 FROM 1927
Buy: $25.0
1920s-30s, German drafting tools, "Praecision" used.
Buy: $24.95
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Dessin Calque
$5.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, Sonneries
$5.0
1909 Westinghouse Electric Type DA Squirrel Cage Motor Catalog Bulletin Antique
Buy: $24.95
Antique brass transit (wye level) on oak tripod - circa 1887
$890.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol III, Lumiere
$5.0
CIRCA 1920 BULLETINS/CATALOG - THE SIMS POWER PLANT APPLIANCES - SIMS CO ERIE PA
$22.99
K&E Keuffel & Esser Bullseye Target NYLON MDL 71-6160
$60.0
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol I, Cinématique II
$20.0
1884 Norfolk Harbor Virginia Map Plan of Concrete Dike Timber ARMY CORP ENGINEER
$22.92
Encyclopedie Pratique de Mecanique et d'Electricite,1924, vol II, Presse
$5.0
 dungeon electric panel to electrify your cruelty, you beast
$235.0
1908 Westinghouse Electric Type HF Squirrel Cage Motor Catalog Bulletin Antique
Buy: $22.95
1892 Crossley Brothers Otto Gas Engine Magazine Antique Brickmaking Machinery
$26.95
Antique 66 foot (4 Pole) steel Land Surveyors (Gunter) Chain 1850
$349.99
1907 ad brochure for Mechanical Engineer's Reference Book (3rd ed.) * H H Suplee
$12.0
for collectors early 66 Feet steel Land Surveyor Gunter Chin mad by stanley 1860
$349.99
1911 BOOKLET - SHOP HEATING - AMERICAN BLOWER COMPANY - DETROIT MICHIGAN
$15.99
Pre-1930 Antique Transit Secretan 1134 Paris amazing condition with level Brass
$1999.99
1927-1928 SWEET'S ARCHITECTURAL CATALOG Twenty-Second Annual Edition Section A
$110.0
Louise Philippe Traditional Red Brown Nightstand Red Brown Traditional
Buy: $169.0
Pix Products Measuring Wheel Clicks each 12" Plastic Wheel & Wood Handle Vintage
Buy: $18.95
antique theodolite Lhuer Opticien a Bukarest
Buy: $760.0
8 Antique WWII B&W FRENCH PHOTOs  La Liberation 1944-45 Civilians Soldiers
Buy: $20.99
1922 SYLPHON HEATING SPECIALTIES CATALOG No. 100 - THE FULTON CO. KNOXVILLE TN
$18.99
1915 BOOKLET - SPECIFICATIONS FOR CAST IRON SOIL PIPE AND FITTINGS
$15.99
Vintage nautical marine brass theodolite T Cook and sons
$725.0
ANTIQUE 1890 ERNECKE MAKER OF KAISER 17´´ GERMAN SKELETONIZED STEAM ENGINE DEMO
$3600.0
Vintage G.Coradi Switzerland Planimeter
$55.0