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Gerb. Wichmann Compensating Polar Planimeter 1192
Price: $155.0
Shipment: $35.0

Rudolph Plank Refrigeration History Thermodynamische Untersuchung Des Vorganges
Price: $161.48

Pix Products Measuring Wheel Clicks each 12" Plastic Wheel & Wood Handle Vintage
Price: $23.95

Antique Experimental Mechanical Engineering Book Published in 1911, Vintage
Price: $44.95
Shipment: $5.95

Antique Brass Brandis & Sons Inc. Theodolite Transit Scope As Is
Price: $55.0

1892 Antique LS Starrett Universal Bevel Protractor Vernier Machinist Tool Case
Price: $69.99

Vintage 1920s KEUFFEL & ESSER K+E N4053-3 Polyphase Mannheim Simplex Slide Rule
Price: $26.95

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

1867 SCIENCE ENGINEERING STEAM CRANE DALLAM FORGE WARRINGTON VINTAGE AD CQ52
Price: $28.95
Shipment: $6.95

Oersted History of Electricity Physics Science c1907 Trade Ad Card
Price: $7.99
Shipment: $2.0

Mercedes-Benz C111 Wankel rotor + housing C 111 gullwing C-111 rotary engine
Price: $14990.0

Early Antique G. F. Heisley Surveyors Compass Brass For Restoration Harrisburg
Price: $999.99

ANTIQUE 1843 CIRCULAR SLIDE RULE AARON PALMER'S COMPUTING SCALE WITH KEY BOOK !
Price: $1345.5

Antique Drafting / Engineering Set by Temple, England
Price: $198.0

Vintage Dietzgen Maniphase Multiplex Vector Slide Rule
Price: $15.0

Antique Keuffel & Esser Surveyor's Transit with Wooden Case
Price: $300.0

ANTIQUE ELECTRICAL INSTRUMENT RESISTANCE MEASURING DEVICE
Price: $199.0
Shipment: $49.0

ANTIQUE CROMPTON VOLMETER
Price: $221.26
Shipment: $22.13

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

19th Century James W. Queen & Co. Makers Surveyors Transit Compass Philadelphia
Price: $250.0
Shipment: $20.0

K&E MOUNTAIN dual focal optic scope for Thedolite
Price: $60.0

Vintage Collectible Japanese Tokyo Optical Co. Ltd. Theodolite Fully working.
Price: $737.0

Antique UNBRANDED FOLDING CALIPER-RULE Wood & Copper PRIMITIVE MULTI-TOOL c.19th
Price: $195.32

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

1795 William Hall Antique Print Diagram of The Watts Steam Engine in 1795
Price: $99.0
Shipment: $15.0

1798 William Hall Antique Print of Pneumatic Air Pump Parts, Air Powered Rifles
Price: $99.0
Shipment: $15.0

1798 William Hall Antique Print Methods of Defending, Laying Mines Fortification
Price: $99.0
Shipment: $15.0

Antique Buff & Buff Surveying Transit,Theodolite,11.5" scope,4.5" Compass,Box
Price: $276.5

Vintage 1914 Drafting Supplies Catalog Table Stool Bluprint Cabinet Transit
Price: $29.99
Shipment: $5.99

RARE! 19th Century August Lingke & Co. Miners Compass
Price: $795.0

1879 magazine engraving ~ CARLILE POLLOCK PATTERSON
Price: $8.06

Antique c1902 Miniature Engineering Model Bronze Steam Engine Motor
Price: $265.0

Fabrication Francaise Modele Depose Antique Drafting Tools with Leather Case
Price: $60.11

1913 Antique Lighting IES Program: ILLUMINATING ENGINEERING SOCIETY, Rare GAVEL
Price: $25.46
Shipment: $3.85

Vintage Keuffel & Esser Co. NY Polyphase Duplex Slide Rule In Case FREE SHIPPING
Price: $12.75

Vintage Visage Viscosity Comparator Louis C. Eitzen Co. Brass Great shape! USA
Price: $45.0
Shipment: $8.0

WWI SUPER RARE US AEF FRENCH ARTILLERY SIGHT CLINOMETER BRASS LEVEL 1918 DATED
Price: $224.25
Shipment: $19.0

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 Clinometer by KILPATRICK & CO MELBOURNE Made in England - Abney Level
Price: $99.0

1910's American Blower Detroit Michigan American Industrial Bronze Steam Plaque
Price: $199.99

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

Antique Merriman's STRENGTH OF MATERIALS 5th Edition 1910
Price: $24.99
Shipment: $3.99

Antique Brass Rolling Straight Edge Architect Surveying Herm Phister Cincinnati
Price: $124.5

Vintage Set of German RIEFLER SPG 2/3 Engineer Drafting Drawing Tools w/ Case
Price: $39.95

Vtg Set of Schoenner Drafting Drawing Tools in Case-Wagner Opticians, Cincinnati
Price: $69.0

RARE ANTIQUE PLANIMETER ALBERT OTT KEMPTEN GERMANY No.57330
Price: $64.9
Shipment: $14.9

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

1930 Reliance Electric Motor Catalog Binder Squirrel Cage Cleveland OH Vintage
Price: $36.95

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: $129.0
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 Portable Surveying Level with Original Case. Germany, 19th Century
Price: $290.0
Shipment: $37.0

Antique Trammell Drawing Instrument
Price: $35.0

Christie & DeGraff Frontier Iron Works Detroit Mi Steam Engine Bronze Plaque
Price: $325.0

Theodolite "Cary London" with losses.
Price: $190.0
Shipment: $60.0

RARE Antique FREDERIC CUTTER Machinist Toolmaker Thread Spindle Brass Gage Plate
Price: $69.99

Antique W & L E Gurley Brass Surveyor's Transit,Box,Plumb Bob,Troy, NY, 1881
Price: $800.0

Antique W & L E Gurley Brass/Wood Surveyor's Transit Tripod Stand,Plumb Bob
Price: $250.0
Shipment: $23.0

1927-1928 SWEET'S ARCHITECTURAL CATALOG Twenty-Second Annual Edition Section A
Price: $110.0

vintage Timely Big Ellipse no.120 for drafting
Price: $4.0
Shipment: $3.5

antique brass SURVEYING TRANSIT Level Theodolite Starke & Kammerer Wien
Price: $790.0

Set Drafting Tools Technical Supply Co. Scranton PA. Made in Germany
Price: $20.0

Antique Dietzgen Phillips 1759B Mahogany Wood Slide Rule (1914-15)
Price: $44.95

1927 Cased Gurley Level
Price: $900.0
Shipment: $100.0

Vintage Birk Beam Compass with Case Made in Germany 608.50470
Price: $85.0

Antique Keuffel & Esser Co. NY Drafting Tool : G.A. Hack Pat. `04 ; `21 "5" WOW!
Price: $11.99
Shipment: $4.99

Antique 19th Century Protractor/Ruler Drafting Drawing Architect Tool 6"
Price: $139.96

vintage Rapidesign no.122 Isometric Hex Heads And Nuts.
Price: $4.0
Shipment: $3.5

vintage Pickett Std Gas Arc& Resistance Welding Symbols Template No.1158
Price: $4.0

vintage Hi- Lok Fastener Gives Consistently Controlled Preload Template
Price: $4.0
Shipment: $3.5

vintage general Mapping Symbols2/4 1/4 1/16 No.1195
Price: $4.0

vintage Timely Modernizer For Kitchen& Bath Planning No.t-33
Price: $3.99

STANLEY 286 High Holborn London Boxwood Drafting Scales 30 through 6000 Cased
Price: $189.0

Boxwood and Beech Major Verners Patent Arm Mounted Map Roll with Compass
Price: $375.0

RARE JULY 1961 ENGINEERING AND MINING JOURNAL MAGAZINE A MCGRAW HILL PUBLICATION
Price: $89.99

South Shore Libra Nightstand With Storage Pure Black Black
Price: $47.61

South Shore Step One 1-Drawer Nightstand Chocolate Brown
Price: $74.25

Antique Compass Set for Architects or Engineers. France, Circa 1900
Price: $275.0
Shipment: $46.0

Marine Navigational Brass Divider Compass~One Hand Nautical Round Map Divider
Price: $16.49
Shipment: $6.0

Round Divider Brass Compass Navigational One Hand Portland Tool Cover Map Read
Price: $16.49
Shipment: $6.0

ANTIQUE GERMAN DRAFTING TOOL PROPORTIONAL DIVIDER E.O.RICHTER & Co CHEMNITZ
Price: $189.99

Antique British 21 Piece Wood Drafting Curve Set Railroad Curves J HALDEN & CO
Price: $119.0

19 century LARGE HEAVY 5 kg ANTIQUE BRASS COMPASS WORKING - NO PRODUCER MARKINGS
Price: $399.99
Shipment: $80.0

19th Century Theodolite with Telescope W. & T. Gilbert London Surveying Transit
Price: $1400.0

Vintage KEUFFEL & ESSER CO F4236 Drafting Tool COMPENSATING POLAR PLANIMETER
Price: $49.95

Vintage E.O. Richter & CO Proportional Divider Drafting Drawing Tool
Price: $81.18
Shipment: $10.0

Antique German Nestler slide rule calculator Industrial Deco Tesla Wimhurst
Price: $490.0
Shipment: $50.0

Antique Surveyors Transit Wood Tripod Steel and Brass Transit Over 100 Years
Price: $370.0

mega rare 1912 hand signed Gustave Eiffel Tower Paris France Aerodynamic book
Price: $270.0

ANTIQUE PLANIMETER MASCHINENLABORATORIUM similar to CASARTELLI MANCHESTER + Box
Price: $100.0
Shipment: $20.0

Antique Patent 1902 Hoosier Pumps Catalog Flint Walling Kendallville Indiana
Price: $35.0

Antique 1900 Surveyor's Brass optical square . Exc.
Price: $155.0
Shipment: $29.0

Antique Compass German EO Richter Pracision Drafting Box Dresden Lindenaustr 16
Price: $16.95

Antique BLUEPRINT Otis Elevator, Gear Motor Electric Engineering Machine #86
Price: $195.0
Shipment: $8.0

Antique BLUEPRINT Otis Elevator, Gear Motor Electric Engineering Machine #71
Price: $195.0
Shipment: $7.5

French Engineering Book 1882 Vol 3 Le Genie Civil Bridges RAILROADS Balloon
Price: $48.0

ANTIQUE HIGH SPEED TIMER by Standard; great condition
Price: $9.99

Antique c. 1917 Brass Simplex Surveyor's Level w/Box Scope Telescope Transit
Price: $386.0

T. JONES CHART PROTRACTOR
Price: $550.0

1898 Electrical Engineering Slingo Brooker Electric Light Artisans Antique Bulb
Price: $48.0
Shipment: $5.0

KOHINOOR RAPIDOGRAPH AND PELIKANO LETTERING PENS
Price: $10.0

VINTAGE OSMOROID LETTERING PEN WITH NIBS MISSING NIB HOLDER
Price: $5.0

Antique Brass Rolling Straight Edge Architect Surveying by Dietzgen of Germany
Price: $15.99
Shipment: $10.0

Antique fountain pen fine ajust point ink drafting mechanicl tech drawing bone
Price: $59.99

ANTIQUE "RARE" IMPROVED WILLIS PLANIMETER c. 1901 DRAFTING ARCHITECTURE VINTAGE
Price: $199.95
Shipment: $9.95

Antique 1914 K+E Keuffel Esser 22818 Drafting Compensating Polar Planimeter set
Price: $59.99
Shipment: $7.95

Antique Brass Enclosed Surveyor's Cross Sci. Instrument. W. F. STANLEY, London ?
Price: $189.99
Shipment: $17.5

G.Coradi Planimeter museum-worthy
Price: $51.0
Shipment: $16.2

Early Keuffel & Esser Slide Rule Patent 6-5-1900 10" Long
Price: $33.33
Shipment: $8.0

ANTIQUE SURVEYING PLUMB BOB - #1
Price: $35.0
Shipment: $12.95

ANTIQUE SURVEYING PLUMB BOB - #2
Price: $35.0
Shipment: $12.95

Antique French Large 20"+ Stonemason Compass Wrought Iron 18th C
Price: $150.0
Shipment: $35.0

1884 Suez Canal Engineering Diagram Appareil Elevator
Price: $37.0

1910 Panama Canal Engineering Diagram Numbering System for all Lock Machinery
Price: $37.0

SUR-25 Three (3) Vintage Land Surveyors” Photos – San Antonio, TX – CA 1935
Price: $9.99
Shipment: $4.5

B. L. Makepeace, Inc., Boston, MA 1921 - Vintage Hardcover Catalogue
Price: $25.0
Shipment: $5.0

Plane Surveying by Raymond 2nd Ed - Antique
Price: $9.99
Shipment: $6.0

Vintage Science Equipment Boettger & Wittig Electric 1900's Demagnetizer
Price: $85.0
Shipment: $15.0

KEUFFEL & ESSER CO.NY, OTT, BAVERIA WATER CURRENT METER CATALOG NO. 6010 ca 1921
Price: $51.0

1871 Chief Engineer & Chief Commissioner of Highways Signed ,Phila.,Pa.,Document
Price: $19.99
Shipment: $2.0

ANTIQUE G.CORADI ZURICH SWITZERLAND PLANIMETER CORADI w/CASE WICHMANN
Price: $95.0
Shipment: $15.0

Antique Danish 1900 Optical Nautical Instrument w Prisms Tool
Price: $114.0
Shipment: $12.0

VINTAGE BRASS TELESCOPE for SPECIAL THEODOLITE B.T.O.N.
Price: $399.0
Shipment: $30.0

Antique Drafting / Engineering Ruler Set by G.R.K. DAVIES, CARY LONDON, ENGLAND
Price: $25.0
Shipment: $10.4

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

MITSUBISHI MR-J2S-500A/5KW AC SERVO V29K22006
Price: $800.0
Shipment: $68.0

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

Vintage Antique Bicycle Odometer 1895 LAW League of American Wheelman Bicyclist
Price: $1255.0
Shipment: $5.85

ANTIQUE PRIMITIVE HAND FORGED IRON SURVEYOR ENGINEER PIN STAKE - 13-3-/4" GOOD
Price: $7.99

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

Antique Rheostat Speed Control Steampunk Halloween Frankenstein Decor Movie Prop
Price: $125.0

Nice Rare Antique Brass Keuffel & Esser Surveyor Compass W Original Leather Case
Price: $99.99
Shipment: $12.0

Thermostat Antique Key Wound Clock Brass Minneapolis Heat Reg.Pat 1912
Price: $329.95

ANTIQUE SURVEYING COMPASS MARKED EDMUND DRAPER
Price: $250.0
Shipment: $20.0

Antique Engineers Lensmatic Compass - Works Great!
Price: $19.99
Shipment: $6.0

Antique Drafting Instruments T. Cooke & Sons Ltd London & York
Price: $94.0
Shipment: $10.85

Antique Drafting Tools Engineering Drafting Tool Colliery Eng Scranton PA #34
Price: $32.99

1950s Vintage Swiss Heerbrugg WILD Microscope Scientific M9 M10 Litho Poster 32"
Price: $107.99
Shipment: $20.0

Round Divider Brass Compass Navigational One Hand Portland Tool Cover Map Read
Price: $21.5
Shipment: $5.0

One Hand Portland Tool Round Divider Brass Compass Navigational W Leather Case
Price: $29.25

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

Antique visors
Price: $25.0

Max Kohl Chemnitz Ampere meter Brass & Glass German U Boat ?
Price: $49.99
Shipment: $14.8

G. Coradi Planimeter 1906 No. 8005 Vintage Zurich
Price: $124.0
Shipment: $9.99

Antique 1775 - 1820 Large Surveying Brass Compass Spencer Co London Original Box
Price: $1285.0

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

Antique Keuffel & Esser Co. N.Y. Pilot Drawing Instruments Full Set with Case
Price: $40.0

Near Mint 1880's Waite & Bartlett Milli Ampere Meter * New York * Brass & Glass
Price: $299.0

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

Unusual Abney Clinometer Level by Baker, London, in Case with Broad Arrow WWI
Price: $128.5

Artificial Horizon Demonstration Instrument or Mystery Item
Price: $19.99

Sun Hemmi Model 1 Slide Rule in Box
Price: $19.99

Antique A. W. Faber Castell Model 398 Electro Mech Slide Rule in Original Box
Price: $19.99

Antique Faber Castell Slide Rule in Original Box
Price: $19.99

Antique Walbon & Son London, Brass Surveyor's Scope Level Transit w/Box
Price: $288.0

1892 Antique LS Starrett Universal Bevel Protractor Vernier Machinist Tool Case
Price: $68.0

Antique brass level for surveying w. compass needle for Mining ?
Price: $400.0
Shipment: $104.0

1915 BOOKLET - FORMULA AND RULES FOR INSTALLATION OF WARM AIR HEATING
Price: $15.99

1921 BOOK - INVESTIGATION OF WARM-AIR FURNACES - UNIVERSITY OF ILLINOIS BULLETIN
Price: $19.99

1879 Du Moncel TELEPHONE MICROPHONE & PHONOGRAPH early tech many illustrations
Price: $59.99
Shipment: $7.5

Rare Vintage 1800's Victoria Series Drafting Set Tools
Price: $99.99
Shipment: $4.25

Vintage Brass Eye Level Antique Telescope Contractor Surveyor Scope Tool & Case
Price: $27.5

FEET TO STOP METER UNUSUAL L@@K GUARANTEED & RETURNABLE
Price: $79.99
Shipment: $13.6

ANTIQUE BRITISH BRASS COOKE TROUGHTON & SIMMS TRANSIT THEODOLITE SURVEY SURVEYOR
Price: $499.99
Shipment: $85.0

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

1884 Norfolk Harbor Virginia Map Plan of Concrete Dike Timber ARMY CORP ENGINEER
Price: $21.58

antique Lum Smith Smithograph wooden WOOD PANTOGRAPH drafting drawing Phila PA
Price: $35.0

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

Desirable 66 foot (4 Pole) steel LAND SURVEYOR CHAIN, maker unknown, circa 1880
Price: $132.5
Shipment: $17.9

Antique 1917 G. Coradi - Switzerland - Planimeter
Price: $49.0
Shipment: $9.65

1899 Sketch Diagram Tennessee River Improvement Lock Design at Scott Point
Price: $37.0

1882 Engineering Sketch Drawing of Farmer and Watering Equipment.
Price: $37.0

Late 1800's USGS Diagram Sketch of Unifilar Apparatus
Price: $37.0

1899 Diagram Danville Branch Disabled Volunteer Soldiers N.H.D.V.S Macadam Roads
Price: $37.0

1903 Sketch Diagram Self-Propelling Hydraulic Dredge Cutter Frame Capt E Jadwin
Price: $37.0

1928 Tennessee River Engineering Diagram Probable FLOOD FREQUENCY Curves
Price: $37.0

1884 Norfolk Harbor Virginia Map Plan Soft Bottoms ARMY CORP ENGINEER ORIGINAL
Price: $19.18

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

Antique Handforged Iron Compass Drafting Tool
Price: $64.99

1915 BOOKLET - SPECIFICATIONS FOR CAST IRON SOIL PIPE AND FITTINGS
Price: $15.99

Visgage Model 400 Louis C. Eitzen Co.
Price: $100.0

EDMUND DRAPER SURVEYING COMPASS
Price: $1295.0

Antique Wooden Boxed Drafting Set of Brass Engineering Drafting Tools, England
Price: $92.0
Shipment: $11.85

Zero Setting Polar Compensating Planimeter 98745 W/ Optical Tracer Drafting Tool
Price: $64.99
Shipment: $11.5

Antique Brass W. F. STANLEY, LONDON Surveyor's Architect's Engineer's Transit
Price: $249.95
Shipment: $28.95

Antique Pocket Brass Surveyors or Map Makers Compass in original Box or Case
Price: $250.0
Shipment: $7.5

Antique 1893 Book Bridge and Tunnel Centres John B. McMaster C.E. Van Nostrand
Price: $22.5

Antique Model Steam Engine Rustic Handmade -One Of A Kind-
Price: $125.0

Antique Steam Pressure Gauge & Thermostat Collection
Price: $1400.0

CIRCA 1920 BULLETINS/CATALOG - THE SIMS POWER PLANT APPLIANCES - SIMS CO ERIE PA
Price: $22.99

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

ANTIQUE KEUFFEL & ESSER SURVEYOR’S CLINOMETER / ABNEY LEVEL / INCLINOMETER
Price: $100.0

Antique Vintage Slide Rule Keuffel & Esser - 1915
Price: $54.0
Shipment: $18.0

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

1887 Ore Mining Machines MFG.,Steam Engines GRAPHIC Fraser & Chalmers,letter!
Price: $19.99
Shipment: $2.0