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Key to Steam Engineering Engine & Boiler Combustion of Coal Mason Regulator 1912
Price: $11.95

GE Antique Instrument Current Tranformer Clamp Type 125 Amp 25/1 Ratio 1890s
Price: $320.0
Shipment: $20.0

Brass antique drafting Instruments Mahogany box with Lined Tray and Ivree Tools
Price: $110.0

Children Physics Centrifugal Force c1903 Trade Ad Card
Price: $8.99
Shipment: $2.0

1944 Hydraulic Tables -Federal Works Project City of New York-Corps of Engineers
Price: $24.99
Shipment: $3.5

1938 AUTOMOBILE ENGINEER REFERENCE BOOK BRITISH MOTOR CARS RARE 2ND ED AS IS
Price: $20.0
Shipment: $4.95

VINTAGE WILLIAM WM J. YOUNG MAKER TRANSIT LEGS TRIPOD PHILADELPHIA PA
Price: $149.0

FABULOUS 19th CENTURY ANTIQUE AMERICAN, NEW YORK BRASS SURVEYOR'S COMPASS
Price: $1150.0
Shipment: $35.0

Antique Steel Drafting RULING PEN Drawing Tool Instrument Architect Accessory
Price: $135.0

BUFF & BUFF Model #28755 Antique Survey Transit Vintage Brass Scope RARE! Boston
Price: $499.0

Davies Gilbert ESQ MP PRS Cornish engineer, author. (19th C engraving)
Price: $8.0

AUDELS ENGINEERS AND MECHANICS GUIDE 5 FROM 1927
Price: $25.0

AUDELS NEW ELECTRIC LIBRARY FROM 1929 TO 1931 ALL SERIES # 1 TO 10
Price: $150.0

Vintage How to Print for Profit as a Hobby by Craftsmen Machinery Co. Pamphlet
Price: $8.18

2 Antique Compass Wing Dividers Machinist Tool P.S. & W. Peck Stow & Wilcox
Price: $27.99

Antique Brass Drawing Drafting Compass Protractor &Extras Set Architect Engineer
Price: $42.99

Antique Glo-lite Jet-88 Aerator 1/100 HP 1550 RPM 5 Amp 60 Cyc Redmond Company
Price: $82.06
Shipment: $22.38

antique drafting chrome set boxed Dietzgen USA engineering tools
Price: $20.0
Shipment: $6.0

Vintage Weston Electric D. C. Microammeter Model 622 Microamperes
Price: $45.0

Rare Antique Brass Surveyors Cross Head Staff W.F. Stanley ?
Price: $197.0

White Nightstand Bedside Table Modern Open Shelf Bedroom Storage Furniture Stand
Price: $46.75

Antique BRASS PROTRACTOR With 5 Point STAR MARK 3.75" Long
Price: $24.99

VINTAGE VISGAGE VISCOSITY COMPERATOR LOUIS C. ETIZEN CO.
Price: $45.95

Well Illust Letterhead, Steam Engineering Specialties, Cambridgeport MA, 1893
Price: $18.0
Shipment: $3.0

Antique brass 19C Theodolite, Becker, Buddingh, Arnhem
Price: $325.0
Shipment: $20.0

Antique Westinghouse Electric Motor 3hp 3ph 1899 Early Tesla Era Swam Hanover PA
Price: $995.0

Antique Compas supérieurs drafting tools set
Price: $300.0

Antique 19th Century Surveyor’s Cross with Compass.
Price: $340.0
Shipment: $36.0

1860s Four Page Illustrated Circular, Valentine's Turbine Water Wheel
Price: $18.0
Shipment: $3.0

KOH-I-NOOR 3001 Rapidometric Scriber Engineering Drafting Drawing Lettering Guid
Price: $199.79
Shipment: $12.99

Antique 1930's Wing Divider 3" Compass Caliper Drawing Measuring
Price: $35.99

RRR RARE Science USSR SG - 1 - M Electrometer 1960 year
Price: $99.99
Shipment: $50.0

1960s Vintage Swiss Eidenbenz-Seitz Heerbrugg WILD-T1 Theodolite Litho Poster
Price: $104.99
Shipment: $18.0

Antique 1908 K&E KEUFFEL & ESSER Slide Rule 4088-3 w/ Black Carrying Case RARE!!
Price: $99.99

Antique Early 1800's CARY LONDON Brass Drawing Instrument Pantograph w Wood Case
Price: $755.25

NOTES ON MECHANISM ANTIQUE BOOK SCHWAMB 1895
Price: $6.5

1929 WORLD ENGINEERING CONGRESS TOKYO BADGE/MEDAL # 367
Price: $5.0
Shipment: $4.0

Vintage 1918 Keuffel & Esser Celluloid Pocket Calendar Transit Factory Tool
Price: $19.97
Shipment: $3.99

Antique Late 1800's - ealry 1900's Electric DC Bipolar Motor Generator Ajax
Price: $225.0

Antique Late 1800's - ealry 1900's Electric DC Bipolar Motor Generator Unmarked
Price: $135.0

Antique 19th Century Protractor/Ruler Drafting Drawing Architect Tool 6"
Price: $119.96

Vtg 1927 Drafting Tool Catalog Engineer Transit Stool Table Stadia Rod Telescope
Price: $34.99
Shipment: $5.99

Antique Drafting Set, George S. Wood, Liverpool England; Orig Box Lock/Key; RARE
Price: $395.0
Shipment: $11.42

1876 magazine engraving ~ EXPERIMENTS OF AN EARLY TELEGRAPHER
Price: $8.06

Antique Drafting / Engineering Set by Temple, England
Price: $54.0
Shipment: $10.85

ANTIQUE HUGE GERMAN TACHOMETER - 25cm
Price: $129.0
Shipment: $20.0

W. & L. E. Gurley Light Mountain Transit Folding Telescope Sights Surveying rare
Price: $450.0

Antique Slide Rule A.W. FABER CASTELL 1/75/375 Logarithmic pre WWII Germany
Price: $30.0
Shipment: $6.0

Antique Slide Rule A.W. FABER CASTELL 1/87 m Logarithmic pre WWII Germany
Price: $50.0
Shipment: $6.0

Antique Slide Rule ALBERT NESTLER Nr 23 R Logarithmic pre WWII Germany
Price: $50.0
Shipment: $6.0

Antique Slide Rule JOE KLAWUN Berlin Charlottenburg Logarithmic pre WWII Germany
Price: $55.0
Shipment: $6.0

Antique Parisian Baraban Drafting Set Kit Paris France Vtg
Price: $149.99

KOH-I-NOOR 3000 RAPIDOGRAPH SCRIBER Engineering Drafting Drawing Lettering Guide
Price: $899.0

Vintage 1920s KEUFFEL & ESSER K+E N4053-3 Polyphase Mannheim Simplex Slide Rule
Price: $24.95

Antique Keuffel & Esser Hoboken, New Jersey Thacher's Calculating Instrument
Price: $1500.0

Vintage Visage Viscosity Comparator Louis C. Eitzen Co. Brass Great shape! USA
Price: $39.95

Vintage Keuffel & Esser K & E Metal Protractor Germany (A20)
Price: $97.95
Shipment: $9.95

Antique Beam Compass for Military Use. England, Circa 1900
Price: $89.0
Shipment: $14.6

Antique Beam Compass for Military Use. England, Circa 1900
Price: $89.0
Shipment: $14.6

Antique Beam Compass for Military Use. England, Circa 1900
Price: $89.0
Shipment: $14.6

Antique Beam Compass for Military Use. England, Circa 1900
Price: $149.99
Shipment: $14.6

GROUP of 21 ANTIQUE DRAFTING TOOLS COMPASSES - Assorted Pieces & Parts
Price: $79.99

1798 William Henry Hall Antique Mechanical Print of Hydro Mechanical Machines
Price: $51.0
Shipment: $8.0

1798 William Henry Hall Antique Scientific Print of Diving Bell & Hydro Machines
Price: $63.75
Shipment: $8.0

1798 William Henry Hall Antique Mechanical Print of Mechanical Pulley Systems
Price: $51.0
Shipment: $8.0

1798 William Henry Hall Antique Scientific Print of 56 Mathematical Functions
Price: $51.0
Shipment: $8.0

1795 William Henry Hall Antique Mechanical Print Parts, James Watts Steam Engine
Price: $63.75
Shipment: $8.0

1795 William Henry Hall Antique Mechanical Print of Watts Steam Engine, Sections
Price: $63.75
Shipment: $8.0

1798 William Hall Antique Print Methods of Defending, Laying Mines Fortification
Price: $84.15
Shipment: $15.0

1798 William Hall Antique Print of Pneumatic Air Pump Parts, Air Powered Rifles
Price: $84.15
Shipment: $15.0

ANTIQUE INCLINOMETER LAQUERED BRONZE NICE w/CASE MADE IN BUENOS AIRES SEE PIC
Price: $139.87
Shipment: $22.0

Antique Vintage Style Brass Encampment & Fortification Surveyors Compass
Price: $45.0

1950s Vintage Swiss Heerbrugg WILD Microscope Scientific M9 M10 Litho Poster 32"
Price: $104.99
Shipment: $20.0

1886 magazine engraving ~ TRIAL OF NEW TELPHER LINE AT GLYNDE
Price: $7.25

old rare antique I.P.T.Korfitsen Kjobenhavn Theodolite level
Price: $499.0
Shipment: $29.0

RARE ANTIQUE SKELETONIZED COMMERCIAL DEMO MOTOR MECHANICAL ENGINEERING 30 LBS
Price: $1400.0

Antique 1928 KEUFFEL & ESSER Beginners Slide Rule 4058C W/Case
Price: $11.99

Antique 1915 Planimeter G.Coradi Zürich , original box
Price: $220.0
Shipment: $20.0

Antique DRAFTING SET No. 1242 PJ Tool Kit DIETZGEN Master-Detailer
Price: $40.0

Gerb. Wichmann Compensating Polar Planimeter 1192
Price: $101.0
Shipment: $35.0

Vintage Industrial Heller-Aller Blueprint Water tower Suburan Structure #3
Price: $49.99
Shipment: $4.7

Vintage Industrial Heller-Aller Blueprint Water tower Suburan Structure #6
Price: $49.99
Shipment: $4.7

Vintage Industrial Heller-Aller Blueprint Water tower Structure #11
Price: $49.99
Shipment: $4.7

K&E MOUNTAIN dual focal optic scope for Thedolite
Price: $75.0

Vintage Collectible Japanese Tokyo Optical Co. Ltd. Theodolite Fully working.
Price: $819.06

Antique UNBRANDED FOLDING CALIPER-RULE Wood & Copper PRIMITIVE MULTI-TOOL c.19th
Price: $162.38

Louise Philippe Traditional Red Brown Nightstand Red Brown Traditional
Price: $169.0

RARE! 19th Century August Lingke & Co. Miners Compass
Price: $625.0

1879 magazine engraving ~ CARLILE POLLOCK PATTERSON
Price: $8.06

1883 magazine engraving w/ article ~ SOLAR POWERED PRINTING PRESS, Newspaper
Price: $7.25

1896 Illus Letterhead, Mfr Steel Plate Chimneys (Smoke stacks) Steel Bldgs, etc.
Price: $18.0
Shipment: $3.0

Antique Westinghouse Portable Millivoltmeter Type PL dated 1919
Price: $39.99
Shipment: $10.95

Antique Merriman's STRENGTH OF MATERIALS 5th Edition 1910
Price: $11.99
Shipment: $7.5

Antique Brass Rolling Straight Edge Architect Surveying Herm Phister Cincinnati
Price: $123.0

vintage military compass David White co.  no. 603A excellent shape.
Price: $70.0
Shipment: $7.5

Traité des Ponts en Maçonnerie et tunnels J. CHAIX engineering BRIDGES book 1900
Price: $179.99
Shipment: $59.0

Antique 2 books RUIZ AMADO Spanish Modern Topography Surveyor theodolite 1903
Price: $149.99
Shipment: $39.0

E.G. Soltmann NY vintage 1800s Drafting tool set Swiss made, silver steel ivory
Price: $98.99
Shipment: $10.0

HUGE 1849 FULL LEATHER 2 VOL SET ENGINEERS & MACHINISTS ASSISTANT BY BLACKIE
Price: $399.99
Shipment: $22.99

Antique Beam Compass for Military Use. England, Circa 1900
Price: $240.0
Shipment: $72.0

Antique German slide rule NESTLER Nr. 0232 Rietz (1930)
Price: $7.0
Shipment: $3.0

antique BRASS PROTRACTOR Baehr New York * German Made * drafting geometry tool
Price: $15.0

The Model Engineer and Amateur Electrician DEC. 15, 1902 issue; SCARCE MAGAZINE
Price: $28.01

Drafting Ruler Keuffel & Esser USA 1933 Practical Microscopical Metallography
Price: $35.0
Shipment: $13.5

WELLS'S New Four-Place LOGARITHMIC TABLES, 1904, 23pages,
Price: $23.23

The Model Engineer and Electrician: SEPT 8, 1904 issue; SCARCE MAG
Price: $25.7

The Model Engineer and Electrician: june 16, 1904 issue; SCARCE w/ motorcycle ad
Price: $28.01

The Model Engineer and Electrician: AUG. 27, 1903 issue; SCARCE
Price: $28.01

The Model Engineer and Electrician: SEPT. 17, 1903 issue; SCARCE MAG
Price: $29.04

The Model Engineer and Electrician: SEPT. 10, 1903 issue; SCARCE MAG w/ TRAINS
Price: $28.01

Antique visors
Price: $25.0

The Model Engineer and Electrician JULY 30, 1903 issue; SCARCE MAGAZINE
Price: $31.87

Antique Troughton & Simms London Brass Surveyor's Transit
Price: $475.0

Two Antique Power Line Insulators, Brown Ceramic Pottery, 1929, Electric Service
Price: $2.99

1873 Engineering Diagram Map Navigation of the Seine at Yonne Paris to Auxerre
Price: $37.0

1919 Diagram of 2-stage Proposition Upper Stations Tunnels Maid of Mist Pool NY
Price: $37.0

Antique Thales Pinwheel Calculator Adding Machine Germany WORKS!
Price: $500.0

Patent 1897 L S STARRETT Tool s ATHOL, Mass *MICROMETER Caliper No. 203 *Antique
Price: $17.0

KOH-I-NOOR RAPIDOGRAPH SCRIBER Engineering Drafting Drawing Lettering Guide
Price: $17.5
Shipment: $6.5

ANTIQUE ELECTRICAL INSTRUMENT RESISTANCE MEASURING DEVICE
Price: $125.0
Shipment: $49.0

ANTIQUE CROMPTON VOLMETER
Price: $141.74
Shipment: $21.63

Antique Brass Architectural Drafting Tool Set Germany
Price: $49.99

VNTG Patent Pending National Dietzgen Drawing Instruments Engineering Tool Set
Price: $20.0

EDMUND DRAPER SURVEYING COMPASS
Price: $1150.0

KANE DEAD RECKONING/TELEX E-6B/ALVIN 995 DRAFTING/UTO RIETZ VALAVIR SLIDE RULE
Price: $29.99
Shipment: $7.99

COOKE, TROUGHTON & SIMMS ANTIQUE THEODOLITE
Price: $350.0
Shipment: $25.0

Rare Antique L.S. Starrett Surface Gage Tool Patent 1896 Athol Massachusetts
Price: $53.25

COLLECTION CATALOGUE: Earliest exhibition catalog limited to calculating devices
Price: $500.0
Shipment: $28.0

Mechanical Appliances, Mechanical Movements and Novelties of Construction... New
Price: $41.99

VINTAGE & RARE BIRK, GERMANY BEAM COMPASS MODEL 608.50470 - EXCELLENT
Price: $27.99
Shipment: $7.4

1925 KEUFFEL & ESSER CO SURVEYING WYE LEVEL
Price: $145.0
Shipment: $40.0

Pre-1930 Antique Transit Secretan 1134 Paris amazing condition with level Brass
Price: $1999.99

~ Unusual 19th c AMERICAN, 4-vane Surveying Vernier Compass, Cincinnati Cased ~
Price: $2250.0

~ Unusual 19th c American Surveying Instrument, Solar Compass, Good Condition ~
Price: $1600.0

French Engineering Book 1882 Vol 3 Le Genie Civil Bridges RAILROADS Balloon
Price: $41.0

Planimeter Engineering Tool Gebr Wichmann Berlin 1924 Germany With Case #3176
Price: $75.0

1927 Architecture magazine Chatanooga San Francisco Temple 114 pages of ads and
Price: $35.0
Shipment: $3.95

S G Brown Crystal Amplifier "Marconi Era" for galena cats whisker receiver sets
Price: $495.0
Shipment: $32.0

SCHAFFNER EMC FILTER # FN3270H-250-99 250AMPS
Price: $499.0

Antique Late 1800's - ealry 1900's ?? Electric DC Bipolar Motor untested
Price: $250.0

Keuffel & Esser - slide rule, calculating/drafting machine...: infos 1873-1960
Price: $9.32

Antique brass transit (wye level) on oak tripod - circa 1887
Price: $890.0

Vintage, Dietzgen Germany Drawing Instruments 1102C Compass Engineers set
Price: $5.0

RARE ANTIQUE GERMAN A. OTT KEMPTEN PLANIMETER # 55063, NEVER USED, W/RECEIPT
Price: $49.87

KOH-I-NOOR 3000 RAPIDOGRAPH SCRIBER Engineering Drafting Drawing Lettering Guide
Price: $450.0
Shipment: $14.0

Antique Planimeter Improved Coffin Bushnell Planimeter 1903 John S Bushnell
Price: $197.0

SCARCE Victorian circa1890 quality iron merchant/candy scale! Avery UK So Africa
Price: $149.49

1881 Mining,Engines,Sawmills,MFG,Zanesville,Ohio,Wedge,Griffith Signed letter!!!
Price: $19.99
Shipment: $2.0

VINTAGE SLIDE RULE LOT KEUFFEL & ESSER 4041, POST 1460, SIMPLEX N901-T W/ CASE
Price: $25.0
Shipment: $5.85

19 c. Antique German Drafting Drawing Brass Compass Tools Set w/Box Signed: J.B.
Price: $48.0
Shipment: $12.0

Engineers and Mechanics Encyclopedia
Price: $29.0

Antique Brass Nautical? Protractor - J.W. STRANGE PAT'D JUNE 13, 1876 Bangor, Me
Price: $100.0

LEEDS AND NORTHRUP TESTING SET.
Price: $5.99

8 Antique WWII B&W FRENCH PHOTOs La Liberation 1944-45 Civilians Soldiers
Price: $20.99

Antique WWII Book 12 FRENCH PHOTO POSTCARD La Liberation Unused 1944-45 Vittel
Price: $45.99

ANTIQUE PRECISION LEVEL BY COOKE TROUGHTON & SIMMS WITH MAHOGANY DOVETAILED BOX
Price: $59.0

Albert Nestler AG (Rietz) c1920's slide rule - Rare Early US model with screws
Price: $102.0
Shipment: $12.0

Vintage Midcentury Set Of 2 IGN Oil/Battery & Water & Oil Gauges
Price: $99.99
Shipment: $9.99

The Best - 100 foot steel ENGINEER / SURVEYOR CHAIN, maker unknown, circa 1900
Price: $61.0
Shipment: $18.8

OLD VINTAGE ENGINEERING TOOL SET FRENCH CASE
Price: $15.56

RARE ANTIQUE CHARLES BAKER 244 HIGH, HOLBORN CALCULATING? MEASURING? RULER?
Price: $19.99
Shipment: $4.0

PLANIMETER, G. CORADI ZURICH SWITZERLAND
Price: $99.0
Shipment: $5.5

Artificial Horizon by W & L.E. GURLEY TROY N.Y. Sextant
Price: $899.99

Magazine Western Construction News 1929 San Francisco-DAMS-HOTEL DRAKE-Machinery
Price: $30.0

Scarce Vintage Gunther & Tegetmeyer Electroscope
Price: $225.0

Mechanical Appliances, Mechanical Movements and Novelties of Construction (Paper
Price: $21.87

ANTIQUE EBONY & BRASS DRAFTING PARALLEL RULER T T MATHEWS SYDNEY
Price: $145.0
Shipment: $28.0

Vintage 1921? Cenco Meter Testing Rheostat, 18 Knife Switches, Wood Brass Copper
Price: $499.95
Shipment: $39.95

Antique Franz Reuleaux Kinematic Model Gustav Voigt Mechanische Werkstatt #5
Price: $1300.0
Shipment: $36.0

Antique Franz Reuleaux Kinematic Model Gustav Voigt Mechanische Werkstatt #4
Price: $1200.0
Shipment: $32.0

Antique Franz Reuleaux Kinematic Model Gustav Voigt Mechanische Werkstatt #3
Price: $1100.0
Shipment: $29.0

Antique Franz Reuleaux Kinematic Model Gustav Voigt Mechanische Werkstatt #2
Price: $1100.0
Shipment: $29.0

Antique Franz Reuleaux Kinematic Model Gustav Voigt Mechanische Werkstatt #1
Price: $1100.0
Shipment: $29.0

Irrigation of Alfalfa - U.S. Department of Agriculture - 1909
Price: $5.95

1884 Norfolk Harbor Virginia Map Plan Soft Bottoms ARMY CORP ENGINEER ORIGINAL
Price: $12.0

Duty of Water - Wyoming Experiment Station - University of Wyoming - 1905
Price: $5.95

Articles on Irrigation - Dept. of Territorial Engineer - New Mexico - 1908
Price: $5.95

art deco bakelite elephant cigarette box ashtray 1930s cable section advertise
Price: $199.0
Shipment: $38.0

Large Bronze Sight Wye Spotting TANK Gun artillery MILITARY scope No Adjustment
Price: $48.0

Vintage Western Electric 35-C Test Set Relay Current Tester Year 1916?
Price: $150.0

1873 Engineering Diagram of Dam at Port a L'Anglais on the Seine
Price: $37.0

1898 Supreme Court Cellar Engineering Diagram of Damage to U.S. Capitol bld
Price: $37.0

1919 Sketch Diagram Niagara Falls Power Co Power House Generator Cable Conduits
Price: $37.0

1873 Viaduct of La Bouble Engineering Diagram Orleans Railroad France
Price: $37.0

Antique Walbon & Son London, Brass Surveyor's Scope Level Transit w/Box
Price: $178.0

VAT 26328-KA41-0001/756 HIGH VACUUM ANGLE VALVE A-104672 (AT562)
Price: $280.0
Shipment: $28.0

1900 A.W. FABER 357 DECIMAL TRACKER IMPERIAL RUSSIAN EDITION WOODEN SLIDE RULE
Price: $1699.0
Shipment: $25.0

Vintage Unusual Brass Plate Marked Micrometer Wavelength Frequency
Price: $20.0

ANTIQUE BRASS ROLLING RULER
Price: $249.0
Shipment: $48.0

Antique 1908 Wood Patent Model Prototype Engineering Collectors Estate 12”
Price: $125.0

PRECISION ALIDADE A. LIETZ, TRANSIT, SURVEY
Price: $449.0

Antique French Drafting Set w/Walnut and Brass Boulle Inlay Case
Price: $465.0

1940 SEARS ROEBUCK & CO RUNNING WATER FOR TOWN AND COUNTRY
Price: $200.0

AMERICAN BRIDGE COMPANY Book Drawing Room Instructions 1916 168 pages Softcover
Price: $21.95
Shipment: $3.95

ANTIQUE FILM WOOD CAMERA ACCORDION ALPHAX SHUTTER COLLECTABLE
Price: $869.99
Shipment: $37.85

Vintage Westinghouse Cycles Meter Gauge 1930s 4.5" - Steampunk
Price: $14.99

Antique Milton Bradley Co Ecco German Drafting Set Complete Fitted Box
Price: $50.0

Vintage Incline Plane Science Demo Unit
Price: $60.0

1911 BOOKLET - SHOP HEATING - AMERICAN BLOWER COMPANY - DETROIT MICHIGAN
Price: $15.99

1920s-30s, German drafting tools, "Praecision" used.
Price: $24.95