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Rare Astatic Suspension Reflecting Galvanometer Elliott Brothers London c1890Rare 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" heightVintage Zero Center Voltmeter, + or - 15 volts, 6 1/2" diameter, 7" height $50.00
mechanical counter register Working factory industrial instrument antiquemechanical counter register Working factory industrial instrument antique $29.00 Box Labeled Standard Pipettes County of Kent 1895 by Degrave & Co LondonBox Labeled Standard Pipettes County of Kent 1895 by Degrave & Co London $40.00
Rare Milvay Scientific Instruments Optical Laboratory Apparatus Oak c1915Rare Milvay Scientific Instruments Optical Laboratory Apparatus Oak c1915 $350.00 Antique Mesco Mannhattan Electric Supply Company Telegraph MachineAntique Mesco Mannhattan Electric Supply Company Telegraph Machine $75.00
Early Spectroscope Apparatus Machine 90+ Y/O Ad Trade CardEarly Spectroscope Apparatus Machine 90+ Y/O Ad Trade Card $9.99 Antique SundialsAntique Sundials $2,250.00
Antique c1880's - 1920 Textile & Paper Scale By Testing Machines Inc New YorkAntique 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 tubesVintage /Antique Wood Explorer Field Box Test Tubes Canisters Glass Test tubes $55.00
Antique 1907 Megger 400v High Range Evershed's Testing Set No.72778 +Wooden CaseAntique 1907 Megger 400v High Range Evershed's Testing Set No.72778 +Wooden Case $125.00 Antique Travel Desk ThermometerAntique Travel Desk Thermometer $400.00
Vintage H-H Portable Medical Oxygen Tank Apparatus w/Heavy Duty Carrying CaseVintage H-H Portable Medical Oxygen Tank Apparatus w/Heavy Duty Carrying Case $169.50 Antique Gothic Thermometer by Cary, LondonAntique Gothic Thermometer by Cary, London $595.00
Syphon Barometer Atmospheric Pressure Gauge 1915 Ad Trade CardSyphon Barometer Atmospheric Pressure Gauge 1915 Ad Trade Card $6.99 Unusual Rare & Early 1900s Wood Cased 220 Volt "Hz" Electrical Measurement MeterUnusual Rare & Early 1900s Wood Cased 220 Volt "Hz" Electrical Measurement Meter $225.00
Vintage Norwegian Equatorial Sundial Onyx And Brass With Swedish Saying In BerssVintage 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)antique brass gauge mil-ammeter (frank s.betz co/jewell inst co-standard) $174.00
Antique Ward Leonard Slide Rheostat Columbia University Tag Lab DeviceAntique Ward Leonard Slide Rheostat Columbia University Tag Lab Device $44.99 McCormick Boston Big Photograph Cabinet Card 1880 Science Laboratory Boys MenMcCormick Boston Big Photograph Cabinet Card 1880 Science Laboratory Boys Men $29.50
Antique 1900's Electrical Resistance Decade Box W/ Meter Rare!Antique 1900's Electrical Resistance Decade Box W/ Meter Rare! $199.99 Vintage Ge General Electric Co. R-6 860234 Amperes MeterVintage Ge General Electric Co. R-6 860234 Amperes Meter $44.99
antique White Lily electric motor; antique washing machine; Emerson A/C Ca1910+-antique White Lily electric motor; antique washing machine; Emerson A/C Ca1910+- $40.00 Antique Made in France Brass Pocket CompassAntique Made in France Brass Pocket Compass $35.00
Antique Dobbie McInnes Depthometer British Nautical InstrumentAntique Dobbie McInnes Depthometer British Nautical Instrument $229.99 Rare Antique System Weston Wood Box Dc Electric Voltmeter Cast Bronze Circa 1900Rare Antique System Weston Wood Box Dc Electric Voltmeter Cast Bronze Circa 1900 $50.00
Antique Wooden Lab Stand Funnel-Test Tube Holder - w/Hinges & Wood Screws 17x17Antique 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 labantique solid brass and wood balance beam scale used in chemis 00004000 try -physics lab $950.00
Antique Vintage-Nr6650 Refractometer With Original Wooden BoxAntique Vintage-Nr6650 Refractometer With Original Wooden Box $89.89 Antique Baird Electric Company Large Voltmeter , Chicago Ill .Telephone, (Rare)Antique Baird Electric Company Large Voltmeter , Chicago Ill .Telephone, (Rare) $129.00
Early Radiology Crookes X-Ray Tube Sciagram 90+ Y/O Ad Trade CardEarly Radiology Crookes X-Ray Tube Sciagram 90+ Y/O Ad Trade Card $9.99 2 General Electric Recording Ammeters Low S / No Reserve2 General Electric Recording Ammeters Low S / No Reserve $40.00
1890's Whitney Electrical Instrument Co. Holt Alternating Current Volt Meter1890's Whitney Electrical Instrument Co. Holt Alternating Current Volt Meter $995.00 Rare Vintage John Roach Surveyor's Pedometer! 1870'sRare Vintage John Roach Surveyor's Pedometer! 1870's $500.00
Antique Stansi Cast Iron Steam Engine Classroom Demonstrator 1920's-1950'sAntique Stansi Cast Iron Steam Engine Classroom Demonstrator 1920's-1950's $500.00 Antique Surveying Compass - Maker Wm. HelffichtAntique Surveying Compass - Maker Wm. Helfficht $1,350.00
Antique 1800's Little Hustler Bipolar Electric Motor with on off switchAntique 1800's Little Hustler Bipolar Electric Motor with on off switch $149.95 Surveor's Compass Sights or Vanes Surveying Brass VintageSurveor's Compass Sights or Vanes Surveying Brass Vintage $300.00
S.Mordan & Co London Victorian/Edwardian Postal Scale LampS.Mordan & Co London Victorian/Edwardian Postal Scale Lamp $49.95 c1809 to 1810 Folding Sector Rule Ruler Scientific Jacob Halse Vintage Antiquec1809 to 1810 Folding Sector Rule Ruler Scientific Jacob Halse Vintage Antique $2,400.00
vintage Hoyt's patents Whitney Electrical continuous current ammeter [4*Q-17]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 FindRare Antique Eimer & Amend New York Scale Glass P.S.C. 5-5438 Barn Find $49.90
Large Format Diascope Type Autochrome 8 1/2" x 7" Color Transparency ViewerLarge Format Diascope Type Autochrome 8 1/2" x 7" Color Transparency Viewer $137.00 Antique Microscopic Section Cutter / Straight Razor Typw - Lentz GermanyAntique Microscopic Section Cutter / Straight Razor Typw - Lentz Germany $109.99
Antique Knapp leader Electric Motor C Bin 406Antique Knapp leader Electric Motor C Bin 406 $169.99 Antique Ross Mensuration Geometrical Teaching Block Set, Original Crate 1900Antique Ross Mensuration Geometrical Teaching Block Set, Original Crate 1900 $599.99
Antique Circa 1900 Voltmeter Gauge Wagner Electric Mfg. Co. Power House GaugeAntique Circa 1900 Voltmeter Gauge Wagner Electric Mfg. Co. Power House Gauge $95.00 Vintage Eimer & Amend Lactometer measure milk density glass instrument hydroVintage Eimer & Amend Lactometer measure milk density glass instrument hydro $10.00
1889 Fort Wayne "Wood" system Two Volt and Am-meter Rare Pre-Patent Meters Mint!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 BurnerAntique Hexagon Brass Base 6-1/4" Tall Bunsen Burner $20.00
1915 Marconi Wireless Telegraph Co Ltd Key#345/Ww1 Gpo Sounder/Edison+Swan Galvo1915 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 Lucidac1870s - 1880s James W Queen & Co Cased Artist'S Sketching Reflecting Lucida $287.00
Rare Torricelli founder o Hydrodynamics antique Theorem Demonstration ApparatusRare Torricelli founder o Hydrodynamics antique Theorem Demonstration Apparatus $250.00 Two (2) Antique Bipolar Electric Motor Generator Spring Shaft Couplings 1/2 7/16Two (2) Antique Bipolar Electric Motor Generator Spring Shaft Couplings 1/2 7/16 $25.00
Richard Freres Barograph Paris In Hinged Mahogany Dovetailed Case Serial # 49406Richard 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.YAntique Cambridge & Paul Instrument Co. Of America ~ Case ~ Edison Tesla Era N.Y $145.00
Vintage Cased Glass Standard Measures 1/2 Gill By St & Co English MakeVintage 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 PowerAntique Hydraulic Ram Water Pump Parts Off Grid No Electric Motor or Power $95.00
Antiqued Planetarium Orrery by South Carolina artist,Will S. AndersonAntiqued Planetarium Orrery by South Carolina artist,Will S. Anderson $365.00 Vintage Medical / Lab / Science / Apothecary / Specimen Holder Jar & LidVintage Medical / Lab / Science / Apothecary / Specimen Holder Jar & Lid $60.00
Antique Surveying / Surveyor'S Compass - Signed W.C. Davis Ny . Mahogany CaseAntique Surveying / Surveyor'S Compass - Signed W.C. Davis Ny . Mahogany Case $1,495.00 Schaeffer & Budenberg old scientific Gauge Manometer? poss military in Orig CaseSchaeffer & Budenberg old scientific Gauge Manometer? poss military in Orig Case $99.00
Antique Kingston Kokomo Telegraph Spark Coil Wood BoxAntique Kingston Kokomo Telegraph Spark Coil Wood Box $17.99 Was:  Previous Price $19.99 Antique Thomas Edison Porcelain Primary Battery Cell with LidAntique Thomas Edison Porcelain Primary Battery Cell with Lid $85.00
Antique Willy Young & Co. Brass Secohmmeter Lab InstrumentAntique Willy Young & Co. Brass Secohmmeter Lab Instrument $239.99 1890s Weston Electrical Instrument Co Large Voltmeter Gauge Newark Nj Usa1890s Weston Electrical Instrument Co Large Voltmeter Gauge Newark Nj Usa $595.00
Vintage Peerless Switch Dial Testing Set T-2000 Thompson-Levering CompanyVintage Peerless Switch Dial Testing Set T-2000 Thompson-Levering Company $94.99 Vintage Walter H Kessler Co Brass Kessler Thermometer Testing Tool Westbury NyVintage Walter H Kessler Co Brass Kessler Thermometer Testing Tool Westbury Ny $79.99
Splitdorf Laboratory Auxiliary Condenser/Spark Gap in Wooden Joined CaseSplitdorf Laboratory Auxiliary Condenser/Spark Gap in Wooden Joined Case $99.00 Antique Leeds Northrup Type S Testing Set / GalvanometerAntique Leeds Northrup Type S Testing Set / Galvanometer $50.00
8 Antique Baume Hydrometers & Wooden Case8 Antique Baume Hydrometers & Wooden Case $105.00 Antique Weston D-C Ammeter Model 315Antique Weston D-C Ammeter Model 315 $63.99 Was:  Previous Price $79.99
Vintage Original Emc Electric Motor Corporation Motor & Small Air CompressorVintage Original Emc Electric Motor Corporation Motor & Small Air Compressor $115.00 Griffin & George Centisecond Timer, Made by Triton Electronics LtdGriffin & George Centisecond Timer, Made by Triton Electronics Ltd $30.00
Antique Ca. 1900 Brass Cornelius Knudsen Reflecting Circle SextantAntique Ca. 1900 Brass Cornelius Knudsen Reflecting Circle Sextant $449.00 Vintage Western Electric Bell System 107B Test Set A&B Lineman's TelephoneVintage Western Electric Bell System 107B Test Set A&B Lineman's Telephone $60.00
Auburndale Watch Co. Mass. 19th Century Victorian Framed Metallic ThermometerAuburndale Watch Co. Mass. 19th Century Victorian Framed Metallic Thermometer $390.95 Antique Ward Leonard - Hevi Electric Special Rheostat Cast Iron Dimmer SwitchAntique Ward Leonard - Hevi Electric Special Rheostat Cast Iron Dimmer Switch $50.00
Rare Antique James Biddle Co, Philadelphia Galvanometer from Us Naval AcademyRare 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? GreatVintage Ward Leonard Electric 3012 Vitrohm Rheostat Rotary Dimmer Switch? Great $99.99
Antique scientific instruments: Early Brass Dividers or measuring tool.Antique scientific instruments: Early Brass Dividers or measuring tool. $325.00 Antique Vtg Braddock Bagshaw Chemist Enamelware Hanging Spout ContainerAntique Vtg Braddock Bagshaw Chemist Enamelware Hanging Spout Container $39.99
Adv. Trade Card Draper's Self-Recording Hygrometer c1910Adv. Trade Card Draper's Self-Recording Hygrometer c1910 $75.00 Evershed 750640 Megger Hand Crank Constant Pressure Tester 2500V Wooden VintageEvershed 750640 Megger Hand Crank Constant Pressure Tester 2500V Wooden Vintage $99.99
Antique Welch Scientific Electrical Apparatus Chicago IllinoisAntique Welch Scientific Electrical Apparatus Chicago Illinois $350.00 Vintage Thermograph Taylor Instruments Scientific Gadget Rare MetalVintage Thermograph Taylor Instruments Scientific Gadget Rare Metal $24.99
Vintage Zero-One Amp Ammeter, 6 1/2" diameter, 7" height, 4 1/4" depthVintage 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 ElectricalVintage Keleket Xray Machine Wire Spools Covington Ky Usa Antique Electrical $83.00
Sir Paul Neile 1622 Kjv Family Bible Signed Birth Records British Royal SocietySir 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 BoxAntique C. Reichert Wien No.45080 Microscope W/ 3 Lenses & E.Leitz Wetzlar Box $399.99
Antique Ge General Electric Vintage Amperes Big Industrial Meter Steampunk RadioAntique Ge General Electric Vintage Amperes Big Industrial Meter Steampunk Radio $149.95 Antique Surveying Compass - Signed Wm. Clark And SonAntique Surveying Compass - Signed Wm. Clark And Son $1,375.00
Limited On the Magnet, Magnetick Bodies William Gilbert 1900 Chiswick Press BookLimited On the Magnet, Magnetick Bodies William Gilbert 1900 Chiswick Press Book $225.00 Antique Laboratory Voltmeter, Weston Electric Instruments Model 6971, 1909Antique Laboratory Voltmeter, Weston Electric Instruments Model 6971, 1909 $280.00
Antique Ashcroft America Glass U Manometer Schaeffer & Budenburg InstrumentsAntique Ashcroft America Glass U Manometer Schaeffer & Budenburg Instruments $7.50 Old Chinese opium scale in shaped wooden caseOld Chinese opium scale in shaped wooden case $208.99
Antique Arthur H.Thomas Phila Lactometer Horn No. 7237 Lab Apparatus Mint In BoxAntique 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 MakeVintage Cased Set of Two Glass Standard Measures English Make $50.00
Vintage Short & Mason Barometer LondonVintage Short & Mason Barometer London $199.99 Antique Weston Electrical Instrument Co Large Volts Gauge p1901 Newark Nj UsaAntique 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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