- $17.86 CAD Antique/Vintage Eagle Pencil Co. New York USA Floral Pattern Compass/Divider
- $202.97 CAD Antique Surveyor Transit 1406 With Original Box
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- $457.65 CAD Antique Vintage Singing Rheotome Electrical Stimulation Therapy Device Box
- $541.26 CAD Fuller's Computing Telegraph ANTIQUE
- $1297.67 CAD 1820's Engineers Rule,Ruler 2FT 2Fold Used In The Making of The Jane Rees Book !
- $3044.59 CAD Circa 1865 August Lingke & Co. Mahogany Cased Assayer's Kit
- $1353.15 CAD A French Brass Graphometer Shadow Square, France, Circa 1650
- $65.00 CAD Antique Brass KEUFFEL & ESSER Co. 1758 Rolling Straight Edge Navigation Drafting
- $33.83 CAD ALVIN 961B Beam Compass 13” w/Case Precision Drawing Draft Tool Kit
- $47.36 CAD Antique Brass Compass Measuring Drafting Engineering Tool Victorian - Edwardian
- $594.56 CAD Antique Very Well Detailed SCALE MODEL of EARLY STEAM ENGINE
- $33.83 CAD Antique Brass Engineering Hand Sight Level Surveying Transit Scope Tool
- $101.49 CAD Antique 19th Century Brass Drafting Compass Unmarked 6.25”
- $230.04 CAD Rare - 1919 First Annual Aeronautical Exposition Medallion With Chain.
- $104.12 CAD ca. 1910 National Radiator Company Johnstown PA 5” Pressure Gauge Steampunk RARE
- $1691.44 CAD 1897 RARE SELDOM SEEN ORNATE SP JONES PEERLESS RECORDING STEAM ENGINE GAUGE
- $1111.27 CAD Antique Georgian Shagreen Etui, Drafting Tools Kit, Architect or Cartography Box
- $865.19 CAD POL Antique REV WAR ERA DRAFTING SET in Shagreen Lizard Case ENGINEERING TOOL
- $642.75 CAD Rare! Antique 1900's Brass Surveying Surveyor's Sight Compass W/ Original Box
- $133.96 CAD Antique Drafting Compass Set in Machagony Wood Case, 1800's & Pocket Knife
- $81.12 CAD Antique NOS Engineers Survey Monument Location Index Elevation Brass Cap
- $60.89 CAD Antique G. Coradi Zurich Switzerland Planimeter. Complete in box
- $148.85 CAD Antique Amsco Missabe Dipper Paperweight Finke Engineering CO Dayton Ohio RARE
- $4736.03 CAD A Very Rare Canivet Graphometer With Solid Brass Plate Dated 1764
- $47.29 CAD 1880s F.C. Wells Steam Pump Works Pumping Engines Advertising Booklet Chicago
- $20.57 CAD Brass Drawing Compass Unbranded 5.5" Drafting Tool Interchangeable Point
- $135.30 CAD Coradi Planimeter Land Area Surveying Instrument Switzerland W/case Integration
- $129.90 CAD (13) LG 1896-98 Issues SCIENTIFIC AMERICAN, War w/Spain, Photos, USS Mass, Dewey
- $10.81 CAD Vintage Drawing Bow Compass 6" Long
- $182.07 CAD 1910 German A.W. Faber #367 DRP 206428 Slide Rule w/Registering Cursor Pointer
- $539.91 CAD ANTIQUE BIG 20 LBS WWII MILITARY SUBMARINE ELECTRIC DOOR CLOSING CONTROL SWITCH
- $40.58 CAD Antique B&B Folding Ruler Protractor 🇺🇸 Westbrook Publishing Phila. PA
- $67.59 CAD Rare Antique Original 1800's Brass Surveying Surveyor's Sight Compass Plumb Bob
- $1009.79 CAD Antique Georgian Shagreen Etui, Drafting Tool Kit, Architect or Cartography Box
- $2638.64 CAD *SUPER RARE* Thomson-Houston System Ammeter (ca. 1886)
- $94.71 CAD VINTAGE Antique Drafting Brass Compass Set in Wood Case, Protractor
- $28.42 CAD vintage Turtle's Standard Gauge brass New York Card 5419 13"
- $419.48 CAD Antique Quack Medical Electricity at Home Rheotome Rheostat Device Steampunk
- $74.41 CAD 1842 William Mather Antique Geology Print of Balls Cave, Schoharie County, NY
- $669.81 CAD Antique 1910’s WH Harling London Drafting Set with Bone Tape & more in wood case
- $2097.38 CAD Surveying circle with two telescopes by Rochette, c. 1820
- $338.29 CAD A Large Mining Square Protractor In Nickel Silver By Henri Morin
- $1556.12 CAD *EARLY* Induction Ammeter (ca. 1890s)
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- $1014.86 CAD VINTAGE JET ENGINE COMBUSTION RING WITH FUEL VANE INSERTS MUST SEE
- $1935.01 CAD Antique William J. Young & Sons Surveyors Compass #4807
- $600.80 CAD Antique 1800’s A.G. Thornton British Drafting Set in wood case
- $47.36 CAD Antique Drafting Tool Set Technical Supply Co March 17 1903 Schoenner Germany
- $33.15 CAD Germany Drafting Set Complete Weber Cosmos 3873 Vintage w/ Case Vintage
- $305.81 CAD Antique Drawing Instrument Set Drafting Engineering Cartography Pocket Case 19C
- $87.95 CAD Kueffel & Esser Engraver's T Square No. 2065, 12", Rare
- $595.37 CAD PELTON WATER WHEEL Co. 1906 Wall Mount Brass Vacuum Gauge Crosby Steamgage Valve
- $33.76 CAD Antique Brass Electric Door Latch Champion Patent 1910
- $33.83 CAD Keuffel & Esser Co NY 1908 Patent USA Made Engineering Math/Science Slide Rule
- $32.46 CAD 1928 Keuffel & Esser Co Catalogue - 37th Ed - Surveying, Drafting, Forestry
- $81.18 CAD Antique Drafting Set In Case, Rare Set
- $28.42 CAD Antique/Vintage Eagle Pencil Co. New York USA Floral Pattern Compass/Divider
- $155.61 CAD Large Antique Slide Rule By Neuhöfer & Sohn Wien Austria 1920s - 1930s
- $174.56 CAD 1910's The MASKELL GEORGE Company ELECTRIC Fixtures Cleveland Ohio
- $676.56 CAD Keuffel & Esser transit presented to Govenor Jim Edgar University of Illinois
- $27.06 CAD Antique Slide Rule, KEUFFEL & ESSER CO. Pat. June 5 1900
- $60.82 CAD Antique Dietzgen Improved Clamp Surveyors Target Patented March 1902
- $135.32 CAD Antique Stoppani Engineering / Transit Compass c. late 19th Century
- $135.30 CAD Antique Zeiss Optimeter Box and Parts
- $5250.22 CAD Victorian C. 1860 Astronomy Astrological Space Gravity Gravitational Gyroscope !
- $2029.71 CAD RARE Antique WM. Stokes Surveyor Compass Transit W/ Wood Case Cincinnati Ohio
- $162.38 CAD 1877 quekett microscopical club ANTIQUE book journal vol.4
- $33.76 CAD Vintage W&HC England 7" Pattern Divider Brass and Stainless Steel
- $1826.75 CAD *SUPER RARE* General Electric Co. / Thomson-Houston System Ammeter (ca. 1889)
- $20.28 CAD 1919 SKF BALL BEARINGS & LOOSE PULLEYS antique advertising pamphlet PRICE LIST
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- $201.62 CAD 1879 PUTNAM MACHINE CO CAST IRON LATHE ENGINE MAKERS PLAQUE FITCHBURG MASS Sign
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- $1150.18 CAD Rare! Antique Victorian 1800's Surveying Compass - Display Piece
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- $46.01 CAD Rare case of drawing drafting instruments USSR fine powerful design. Готовальня
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- $37.89 CAD DRAFTING SET IN ORIG Lock Case & Extra parts GERMANY DIETZGEN LEATHER CASED
- $54.11 CAD GENERAL ELECTRIC ANTIQUE SINGLE-PHASE,WATT METER, Type P3,circa 1914,COLLECTABLE
- $37.87 CAD 1889 letterhead W & LE Gurley engineers surveyors instruments transit Troy NY
- $16.22 CAD The A. Lietz Co. Drawing Bow Compass Set in Fitted Case
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- $135.30 CAD 1842 ANTIQUE MECHANICS PNEUMATICS OPTICS MACHINIST OPTICS BOOK JAMES PILKINGTON
- $159.99 CAD c1890 E.R. Watts Inclinometer in a John Weiss & Sons London engraved fitted box
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- $21.11 CAD Antique Engineering, Meccano Magazine Boys, Aug 1927, Makers Hornby Trains