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|  | Rare Astatic Suspension Reflecting Galvanometer Elliott Brothers London c1890 $629.99
Was:
Previous Price
$899.99 | |
 | Vintage Zero Center Voltmeter, + or - 15 volts, 6 1/2" diameter, 7" height $50.00 | |
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|  | mechanical counter register Working factory industrial instrument antique $29.00 | |
 | Box Labeled Standard Pipettes County of Kent 1895 by Degrave & Co London $40.00 | |
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|  | Rare Milvay Scientific Instruments Optical Laboratory Apparatus Oak c1915 $350.00 | |
 | Antique Mesco Mannhattan Electric Supply Company Telegraph Machine $75.00 | |
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|  | Early Spectroscope Apparatus Machine 90+ Y/O Ad Trade Card $9.99 | |
 | Antique Sundials $2,250.00 | |
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|  | Antique c1880's - 1920 Textile & Paper Scale By Testing Machines Inc New York $148.00 | |
 | Vintage /Antique Wood Explorer Field Box Test Tubes Canisters Glass Test tubes $55.00 | |
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|  | Antique 1907 Megger 400v High Range Evershed's Testing Set No.72778 +Wooden Case $125.00 | |
 | Antique Travel Desk Thermometer $400.00 | |
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|  | Vintage H-H Portable Medical Oxygen Tank Apparatus w/Heavy Duty Carrying Case $169.50 | |
 | Antique Gothic Thermometer by Cary, London $595.00 | |
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|  | Syphon Barometer Atmospheric Pressure Gauge 1915 Ad Trade Card $6.99 | |
 | Unusual Rare & Early 1900s Wood Cased 220 Volt "Hz" Electrical Measurement Meter $225.00 | |
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|  | Vintage Norwegian Equatorial Sundial Onyx And Brass With Swedish Saying In Berss $37.00 | |
 | antique brass gauge mil-ammeter (frank s.betz co/jewell inst co-standard) $174.00 | |
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|  | Antique Ward Leonard Slide Rheostat Columbia University Tag Lab Device $44.99 | |
 | McCormick Boston Big Photograph Cabinet Card 1880 Science Laboratory Boys Men $29.50 | |
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|  | Antique 1900's Electrical Resistance Decade Box W/ Meter Rare! $199.99 | |
 | Vintage Ge General Electric Co. R-6 860234 Amperes Meter $44.99 | |
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|  | antique White Lily electric motor; antique washing machine; Emerson A/C Ca1910+- $40.00 | |
 | Antique Made in France Brass Pocket Compass $35.00 | |
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|  | Antique Dobbie McInnes Depthometer British Nautical Instrument $229.99 | |
 | Rare Antique System Weston Wood Box Dc Electric Voltmeter Cast Bronze Circa 1900 $50.00 | |
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|  | Antique Wooden Lab Stand Funnel-Test Tube Holder - w/Hinges & Wood Screws 17x17 $29.99 | |
 | antique solid brass and wood balance beam scale used in chemis
00004000
try -physics lab $950.00 | |
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|  | Antique Vintage-Nr6650 Refractometer With Original Wooden Box $89.89 | |
 | Antique Baird Electric Company Large Voltmeter , Chicago Ill .Telephone, (Rare) $129.00 | |
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|  | Early Radiology Crookes X-Ray Tube Sciagram 90+ Y/O Ad Trade Card $9.99 | |
 | 2 General Electric Recording Ammeters Low S / No Reserve $40.00 | |
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|  | 1890's Whitney Electrical Instrument Co. Holt Alternating Current Volt Meter $995.00 | |
 | Rare Vintage John Roach Surveyor's Pedometer! 1870's $500.00 | |
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|  | Antique Stansi Cast Iron Steam Engine Classroom Demonstrator 1920's-1950's $500.00 | |
 | Antique Surveying Compass - Maker Wm. Helfficht $1,350.00 | |
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|  | Antique 1800's Little Hustler Bipolar Electric Motor with on off switch $149.95 | |
 | Surveor's Compass Sights or Vanes Surveying Brass Vintage $300.00 | |
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|  | S.Mordan & Co London Victorian/Edwardian Postal Scale Lamp $49.95 | |
 | c1809 to 1810 Folding Sector Rule Ruler Scientific Jacob Halse Vintage Antique $2,400.00 | |
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| ![vintage Hoyt's patents Whitney Electrical continuous current ammeter [4*Q-17]](https://i.ebayimg.com/thumbs/images/g/MC8AAOSwgu9bNA6i/s-l225.jpg) | vintage Hoyt's patents Whitney Electrical continuous current ammeter [4*Q-17] $150.00 | |
 | Rare Antique Eimer & Amend New York Scale Glass P.S.C. 5-5438 Barn Find $49.90 | |
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|  | Large Format Diascope Type Autochrome 8 1/2" x 7" Color Transparency Viewer $137.00 | |
 | Antique Microscopic Section Cutter / Straight Razor Typw - Lentz Germany $109.99 | |
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|  | Antique Knapp leader Electric Motor C Bin 406 $169.99 | |
 | Antique Ross Mensuration Geometrical Teaching Block Set, Original Crate 1900 $599.99 | |
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|  | Antique Circa 1900 Voltmeter Gauge Wagner Electric Mfg. Co. Power House Gauge $95.00 | |
 | Vintage Eimer & Amend Lactometer measure milk density glass instrument hydro $10.00 | |
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|  | 1889 Fort Wayne "Wood" system Two Volt and Am-meter Rare Pre-Patent Meters Mint! $1,950.00 | |
 | Antique Hexagon Brass Base 6-1/4" Tall Bunsen Burner $20.00 | |
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|  | 1915 Marconi Wireless Telegraph Co Ltd Key#345/Ww1 Gpo Sounder/Edison+Swan Galvo $2,399.50 | |
 | c1870s - 1880s James W Queen & Co Cased Artist'S Sketching Reflecting Lucida $287.00 | |
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|  | Rare Torricelli founder o Hydrodynamics antique Theorem Demonstration Apparatus $250.00 | |
 | Two (2) Antique Bipolar Electric Motor Generator Spring Shaft Couplings 1/2 7/16 $25.00 | |
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|  | Richard Freres Barograph Paris In Hinged Mahogany Dovetailed Case Serial # 49406 $347.60
Was:
Previous Price
$434.50 | |
 | Antique Cambridge & Paul Instrument Co. Of America ~ Case ~ Edison Tesla Era N.Y $145.00 | |
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|  | Vintage Cased Glass Standard Measures 1/2 Gill By St & Co English Make $25.00 | |
 | Antique Hydraulic Ram Water Pump Parts Off Grid No Electric Motor or Power $95.00 | |
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|  | Antiqued Planetarium Orrery by South Carolina artist,Will S. Anderson $365.00 | |
 | Vintage Medical / Lab / Science / Apothecary / Specimen Holder Jar & Lid $60.00 | |
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|  | Antique Surveying / Surveyor'S Compass - Signed W.C. Davis Ny . Mahogany Case $1,495.00 | |
 | Schaeffer & Budenberg old scientific Gauge Manometer? poss military in Orig Case $99.00 | |
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|  | Antique Kingston Kokomo Telegraph Spark Coil Wood Box $17.99
Was:
Previous Price
$19.99 | |
 | Antique Thomas Edison Porcelain Primary Battery Cell with Lid $85.00 | |
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|  | Antique Willy Young & Co. Brass Secohmmeter Lab Instrument $239.99 | |
 | 1890s Weston Electrical Instrument Co Large Voltmeter Gauge Newark Nj Usa $595.00 | |
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|  | Vintage Peerless Switch Dial Testing Set T-2000 Thompson-Levering Company $94.99 | |
 | Vintage Walter H Kessler Co Brass Kessler Thermometer Testing Tool Westbury Ny $79.99 | |
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|  | Splitdorf Laboratory Auxiliary Condenser/Spark Gap in Wooden Joined Case $99.00 | |
 | Antique Leeds Northrup Type S Testing Set / Galvanometer $50.00 | |
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|  | 8 Antique Baume Hydrometers & Wooden Case $105.00 | |
 | Antique Weston D-C Ammeter Model 315 $63.99
Was:
Previous Price
$79.99 | |
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|  | Vintage Original Emc Electric Motor Corporation Motor & Small Air Compressor $115.00 | |
 | Griffin & George Centisecond Timer, Made by Triton Electronics Ltd $30.00 | |
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|  | Antique Ca. 1900 Brass Cornelius Knudsen Reflecting Circle Sextant $449.00 | |
 | Vintage Western Electric Bell System 107B Test Set A&B Lineman's Telephone $60.00 | |
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|  | Auburndale Watch Co. Mass. 19th Century Victorian Framed Metallic Thermometer $390.95 | |
 | Antique Ward Leonard - Hevi Electric Special Rheostat Cast Iron Dimmer Switch $50.00 | |
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|  | Rare Antique James Biddle Co, Philadelphia Galvanometer from Us Naval Academy $202.99
Was:
Previous Price
$289.99 | |
 | Vintage Ward Leonard Electric 3012 Vitrohm Rheostat Rotary Dimmer Switch? Great $99.99 | |
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|  | Antique scientific instruments: Early Brass Dividers or measuring tool. $325.00 | |
 | Antique Vtg Braddock Bagshaw Chemist Enamelware Hanging Spout Container $39.99 | |
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|  | Adv. Trade Card Draper's Self-Recording Hygrometer c1910 $75.00 | |
 | Evershed 750640 Megger Hand Crank Constant Pressure Tester 2500V Wooden Vintage $99.99 | |
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|  | Antique Welch Scientific Electrical Apparatus Chicago Illinois $350.00 | |
 | Vintage Thermograph Taylor Instruments Scientific Gadget Rare Metal $24.99 | |
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|  | Vintage Zero-One Amp Ammeter, 6 1/2" diameter, 7" height, 4 1/4" depth $50.00 | |
 | Vintage Keleket Xray Machine Wire Spools Covington Ky Usa Antique Electrical $83.00 | |
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|  | Sir Paul Neile 1622 Kjv Family Bible Signed Birth Records British Royal Society $2,999.95 | |
 | Antique C. Reichert Wien No.45080 Microscope W/ 3 Lenses & E.Leitz Wetzlar Box $399.99 | |
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|  | Antique Ge General Electric Vintage Amperes Big Industrial Meter Steampunk Radio $149.95 | |
 | Antique Surveying Compass - Signed Wm. Clark And Son $1,375.00 | |
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|  | Limited On the Magnet, Magnetick Bodies William Gilbert 1900 Chiswick Press Book $225.00 | |
 | Antique Laboratory Voltmeter, Weston Electric Instruments Model 6971, 1909 $280.00 | |
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|  | Antique Ashcroft America Glass U Manometer Schaeffer & Budenburg Instruments $7.50 | |
 | Old Chinese opium scale in shaped wooden case $208.99 | |
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|  | Antique Arthur H.Thomas Phila Lactometer Horn No. 7237 Lab Apparatus Mint In Box $2,400.00 | |
 | Vintage Cased Set of Two Glass Standard Measures English Make $50.00 | |
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|  | Vintage Short & Mason Barometer London $199.99 | |
 | Antique Weston Electrical Instrument Co Large Volts Gauge p1901 Newark Nj Usa $395.00 | |
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Prices current as of last update, 06/14/19 2:33pm.
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