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Functional Antique Replica Surveying Telescope with Wood Base. Estate Fresh.Functional Antique Replica Surveying Telescope with Wood Base. Estate Fresh. $115.00 1800s Pigtail Thermometer with Milk Glass Back Mounted in Bronze Frame1800s Pigtail Thermometer with Milk Glass Back Mounted in Bronze Frame $125.00
Lot of (3) Early Brass 35mm Motion Picture Projector Lenses - circa 1897-1900Lot of (3) Early Brass 35mm Motion Picture Projector Lenses - circa 1897-1900 $150.00 Beautiful Victorian Letter Scale by S. Mordan & Co. London, Eng.+ 6 weightsBeautiful Victorian Letter Scale by S. Mordan & Co. London, Eng.+ 6 weights $165.00
Weston Electrical Instrument Company / Thomas Houston Electric Model 1 VoltmeterWeston Electrical Instrument Company / Thomas Houston Electric Model 1 Voltmeter $1,499.99 Fine Butterfield Type Sundial By Chapotot Circa 1680Fine Butterfield Type Sundial By Chapotot Circa 1680 $1,350.00
Vintage Totalizing Wind Counter ? Haytronics United States Forest ServiceVintage Totalizing Wind Counter ? Haytronics United States Forest Service $9.99 H.J. Green Stick Barometer - Late 19th Century, Very Nice Early American ExampleH.J. Green Stick Barometer - Late 19th Century, Very Nice Early American Example $1,500.00
Antique 1922 German Intricate Mechanical Compass Nonius In Original CaseAntique 1922 German Intricate Mechanical Compass Nonius In Original Case $78.00 W & T Avery Agate Brass Balance Beam Scales Wood Base 61848 Large WeightsW & T Avery Agate Brass Balance Beam Scales Wood Base 61848 Large Weights $659.99
Vintage/Antique Portable Potentiometer, Tinsley & Co. 3184D, Good ConditionVintage/Antique Portable Potentiometer, Tinsley & Co. 3184D, Good Condition $75.00 Antique Weston Voltmeter, Weston Electric Instruments Model 519 in Old Wood BoxAntique Weston Voltmeter, Weston Electric Instruments Model 519 in Old Wood Box $149.99
Antique Brass Student Field Drum Microscope in BoxAntique Brass Student Field Drum Microscope in Box $95.00 Victorian Figural Woman & Child Stoking Fire Metal Glass ThermometerVictorian Figural Woman & Child Stoking Fire Metal Glass Thermometer $239.99
Babcock Dairy Milk Tester Hand Crank Cream Separator Centrifuge base onlyBabcock Dairy Milk Tester Hand Crank Cream Separator Centrifuge base only $59.99 Vintage Keleket Xray Machine Wire Spools Covington Ky Usa Antique ElectricalVintage Keleket Xray Machine Wire Spools Covington Ky Usa Antique Electrical $68.00
Vintage Rainforth’s Stereoscopic Skin Clinic 1914 Original Box & 46 SlidesVintage Rainforth’s Stereoscopic Skin Clinic 1914 Original Box & 46 Slides $299.99 Antique General Electric Voltmeter Schenectady Wood Case Car Battery TesterAntique General Electric Voltmeter Schenectady Wood Case Car Battery Tester $45.00
Vintage Antique Retro Brass Field Microscope Made in FranceVintage Antique Retro Brass Field Microscope Made in France $149.99 Vintage Weston Electrical Instrument Model 370 Ammeter Wood Case good conditioVintage Weston Electrical Instrument Model 370 Ammeter Wood Case good conditio $79.99
Antique X-Ray Camera Laminagram Lead Covered Microfilm Unit Keleket Recordak?Antique X-Ray Camera Laminagram Lead Covered Microfilm Unit Keleket Recordak? $1,000.00 Antique Northrup Ln Model 7 Deflection PotentiometerAntique Northrup Ln Model 7 Deflection Potentiometer $299.99
Antique 1881 Electro Medical Galvanic & Faradic Apparatus Instrument Quack MedAntique 1881 Electro Medical Galvanic & Faradic Apparatus Instrument Quack Med $285.00 Dr, Rainforth Stereoscopic Skin Clinic, 117 Views, Stereopticon, Diseases, 1910.Dr, Rainforth Stereoscopic Skin Clinic, 117 Views, Stereopticon, Diseases, 1910. $375.00
Antique Watt Test Electrical Steampunk Brass Converter (E) Scientific EquipmAntique Watt Test Electrical Steampunk Brass Converter (E) Scientific Equipm $275.00 New listing
		Antique Edison battery - Porcelain Battery Singal Cell - CompleteNew listing Antique Edison battery - Porcelain Battery Singal Cell - Complete $390.00
New listing
		Antique Bunsen Burner Pat. Aug. 21, 1906 Lab Science EquipmentNew listing Antique Bunsen Burner Pat. Aug. 21, 1906 Lab Science Equipment $19.99 Frye & Shaw 222 Water St New York Ny Antique Brass Surveying Surveyor'S CompassFrye & Shaw 222 Water St New York Ny Antique Brass Surveying Surveyor'S Compass $999.99
French Equicnoctial Sundial circa 1900, Exc. ConditionFrench Equicnoctial Sundial circa 1900, Exc. Condition $700.00 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
Leeds & Northrup 7656 Vintage GalvanometerLeeds & Northrup 7656 Vintage Galvanometer $500.00 1946 Weston Electrical Instrument Dc Voltmeter Model 45 Excellent Condition1946 Weston Electrical Instrument Dc Voltmeter Model 45 Excellent Condition $415.95
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 $162.50 10A Vintage Babcock Antique Official Tester Centrifuge Cream Milk Separator10A Vintage Babcock Antique Official Tester Centrifuge Cream Milk Separator $159.99
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 $349.99 Antique Brass Formaldehyde Gas Medical Generator, NovyAntique Brass Formaldehyde Gas Medical Generator, Novy $99.99
Rare Antique Chinese Opium Scales and Weights in Original carved CaseRare Antique Chinese Opium Scales and Weights in Original carved Case $99.00 1907 Whitney Electrical Instrument Direct & Alternating Current Roller Ammeter1907 Whitney Electrical Instrument Direct & Alternating Current Roller Ammeter $115.00
Whitney Testing Set No.1694 As IsWhitney Testing Set No.1694 As Is $114.99 Scientific Glass Laboratory Apparatus InstrumentsScientific Glass Laboratory Apparatus Instruments $900.00
Eimer & Amend Scientific Apparatus Antique Copper Flask Warmer Steamer RareEimer & Amend Scientific Apparatus Antique Copper Flask Warmer Steamer Rare $99.99 Vintage 1880's Edison Era Grenet Cell Antique Battery Glass RareVintage 1880's Edison Era Grenet Cell Antique Battery Glass Rare $84.00
Extremely rare 3-A Keyboard Transmitter for Telegraph Stock tickersExtremely rare 3-A Keyboard Transmitter for Telegraph Stock tickers $20,000.00 Wilde's Dynamo-Electric Machine Invention 1915 Ad Trade CardWilde's Dynamo-Electric Machine Invention 1915 Ad Trade Card $4.99 Was:  Previous Price $9.99
Vintage Antique Carbon Arc Electric LampVintage Antique Carbon Arc Electric Lamp $400.00 Magnificent American 1 Gallon Ohio Standard Measure in Copper and Brass, ca.1847Magnificent American 1 Gallon Ohio Standard Measure in Copper and Brass, ca.1847 $1,750.00
Antique Brass Surveying Transit Compass Measuring tool Cast Iron Legs Feet oldAntique Brass Surveying Transit Compass Measuring tool Cast Iron Legs Feet old $850.00 17th - 18th Century Butterfield Sundial + Leather Cover Case17th - 18th Century Butterfield Sundial + Leather Cover Case $1,150.00
Rare Large Brass Balance Beam Scale Wood Base 19th Century Hunt & CoRare Large Brass Balance Beam Scale Wood Base 19th Century Hunt & Co $199.00 Antique Architectural Metal Filtre Chamberlaid Systeme Pasteur Industrial FilterAntique Architectural Metal Filtre Chamberlaid Systeme Pasteur Industrial Filter $39.99
~ Early Flintlock Powder-Tester, Eprouvette, Engraved, Signed, working order ~~ Early Flintlock Powder-Tester, Eprouvette, Engraved, Signed, working order ~ $850.00 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 Hydraulic Press Demonstration Apparatus By Es Ritchie & Sons Boston 1866Antique Hydraulic Press Demonstration Apparatus By Es Ritchie & Sons Boston 1866 $1,800.00 Vintage Wardway 1/4hp Electric Motor Antique Washing Machine Washer H357Vintage Wardway 1/4hp Electric Motor Antique Washing Machine Washer H357 $99.99
Old Chinese opium scale in shaped wooden caseOld Chinese opium scale in shaped wooden case $139.99 Antique Wooden Case Weston D.C. VoltmeterAntique Wooden Case Weston D.C. Voltmeter $95.00
18Th C. Continental Octagonal Brass Sundial/Astrolabe - 2 1/8" - Nice & Rare-B/O18Th C. Continental Octagonal Brass Sundial/Astrolabe - 2 1/8" - Nice & Rare-B/O $995.00 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 $850.00
Rare American Walnut Stick Barometer By S.Bennett Pittsburg P.A. 19th CenturyRare American Walnut Stick Barometer By S.Bennett Pittsburg P.A. 19th Century $300.00 Large Lot of Vintage brass / bronze screws / Microscope partsLarge Lot of Vintage brass / bronze screws / Microscope parts $145.00
Antique Small French Cased Optical MicroscopeAntique Small French Cased Optical Microscope $125.00 Weston D.C.Volt Mill Meter Model 45 Dated 1927 ~Certified by Auther HoneychurchWeston D.C.Volt Mill Meter Model 45 Dated 1927 ~Certified by Auther Honeychurch $149.95
Antique Solid Bronze Yard Stick Standard Rule Oswego County NyAntique Solid Bronze Yard Stick Standard Rule Oswego County Ny $855.00 Was:  Previous Price $950.00 Antique Brass Medical Scales by Degrave & Co. Circa 1900Antique Brass Medical Scales by Degrave & Co. Circa 1900 $199.99 Was:  Previous Price $249.99
1855 William Young Vernier Compass - Extra Set of Sight Vanes - Slider Vane1855 William Young Vernier Compass - Extra Set of Sight Vanes - Slider Vane $1,075.00 Ca 1890 Belknap Motor Co. Portland, Maine Standard Dynamo Slate Control Plate NrCa 1890 Belknap Motor Co. Portland, Maine Standard Dynamo Slate Control Plate Nr $69.99
Large 19thC, La Science, Antique Bronzed Spelter French Sculpture, Nike & GlobeLarge 19thC, La Science, Antique Bronzed Spelter French Sculpture, Nike & Globe $530.00 Electrical Shock Pulse Diagnostic Cautery Machine By Fisher Chicago Ill. #7018Electrical Shock Pulse Diagnostic Cautery Machine By Fisher Chicago Ill. #7018 $99.99
Circa 1885 Polygraph - The Polygraph Company, E.M. Goldsmith & Co.Circa 1885 Polygraph - The Polygraph Company, E.M. Goldsmith & Co. $125.00 Antique Weston Ammeter Vintage Electrical Instrument Meter Steampunk 1901 MultiAntique Weston Ammeter Vintage Electrical Instrument Meter Steampunk 1901 Multi $199.99
Gurley Solar Transit Circa 1907Gurley Solar Transit Circa 1907 $2,950.00 ! Lower Price Vintage Twin Ebulliometer Wine Liquid Boiling Point Meter! Lower Price Vintage Twin Ebulliometer Wine Liquid Boiling Point Meter $490.00
Antique Thomas Edison Bsco Porcelain Top, Glass Battery Signal Cell w/Case kaAntique Thomas Edison Bsco Porcelain Top, Glass Battery Signal Cell w/Case ka $349.99 Vintage L.E. Knott Boston Apparatus, Scientic EquipmentVintage L.E. Knott Boston Apparatus, Scientic Equipment $59.99
Safavid or Ottoman iron scale with very fine workmanship 16th to 17th ceturySafavid or Ottoman iron scale with very fine workmanship 16th to 17th cetury $360.00 Rare - Whitney Electrical Instrument - Testing Set - Resistance - Dated 1907Rare - Whitney Electrical Instrument - Testing Set - Resistance - Dated 1907 $135.00
Antique Willy Young & Co. Brass Secohmmeter Lab InstrumentAntique Willy Young & Co. Brass Secohmmeter Lab Instrument $239.99 Antique-Large Weston Ammeter Model 326 Standard Ac&Dc W/Hard Cover.NiceAntique-Large Weston Ammeter Model 326 Standard Ac&Dc W/Hard Cover.Nice $300.00
Constantan Coils Resistance Box-W. G. Pye and Company Ltd. -Cambridge, TelegraphConstantan Coils Resistance Box-W. G. Pye and Company Ltd. -Cambridge, Telegraph $50.00 Fine Gilded Brass Compensated Pocket Barometer Altimeter J. J.Hicks of LondonFine Gilded Brass Compensated Pocket Barometer Altimeter J. J.Hicks of London $150.00
Tiffany & Co. 1858 Transatlantic Telegraph Cable - Cyrus Field with CertificateTiffany & Co. 1858 Transatlantic Telegraph Cable - Cyrus Field with Certificate $250.00 Antique Ca. 1900 Brass Cornelius Knudsen Reflecting Circle SextantAntique Ca. 1900 Brass Cornelius Knudsen Reflecting Circle Sextant $379.00
Vintage Leeds & Northrup Reflecting Galvanometer Made In The UsaVintage Leeds & Northrup Reflecting Galvanometer Made In The Usa $65.00 England Equicnoctial Sundial circa 1890, Exc. Condition w/Original CaseEngland Equicnoctial Sundial circa 1890, Exc. Condition w/Original Case $850.00
Vintage scientific scale weight set with balance scale.Vintage scientific scale weight set with balance scale. $215.00 Antique English Victorian Solid Oak Aneroid Banjo BarometerAntique English Victorian Solid Oak Aneroid Banjo Barometer $350.00
Vintage Leeds & Northrup Reflecting Galvanometer No. 49712 Made In The UsaVintage Leeds & Northrup Reflecting Galvanometer No. 49712 Made In The Usa $76.49 Was:  Previous Price $89.99 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
Human Histology Microscope Slides by MoellerHuman Histology Microscope Slides by Moeller $45.00 Gurley Surveyors Transit - Circa 1896Gurley Surveyors Transit - Circa 1896 $775.00
Antique General Electric Ge Ac motor & Dc generator 175 Kw 12v industrial DynamoAntique General Electric Ge Ac motor & Dc generator 175 Kw 12v industrial Dynamo $449.99 Rare Keuffel & Esser 4092 Slide Rule With Brown Leather Case 1909-1921 AntiqueRare Keuffel & Esser 4092 Slide Rule With Brown Leather Case 1909-1921 Antique $350.00
Vintage Weston Electrical Dc Ammeter Wooden Box 45 Steampunk Antique Gauge 1942Vintage Weston Electrical Dc Ammeter Wooden Box 45 Steampunk Antique Gauge 1942 $59.99 Fantastic Antique Brass Case Norton Voltmeter Gage Steampunk Zucker Levett LoebFantastic Antique Brass Case Norton Voltmeter Gage Steampunk Zucker Levett Loeb $129.99
19Th Century Egyptian Revival Cast Metal Sphinx Thermometer - Circa 182019Th Century Egyptian Revival Cast Metal Sphinx Thermometer - Circa 1820 $636.00 Was:  Previous Price $795.00 Yeast Fermentation Spores Cooking 90+ Y/O Ad Trade CardYeast Fermentation Spores Cooking 90+ Y/O Ad Trade Card $3.49 Was:  Previous Price $6.99
A Very Nice Set Of 16 Opisometers Or Map MeasurersA Very Nice Set Of 16 Opisometers Or Map Measurers $324.00 1890s Weston Electrical Instrument Co Large Voltmeter Gauge Steampunk Untested1890s Weston Electrical Instrument Co Large Voltmeter Gauge Steampunk Untested $235.00
Antique Formaldehyde Gas Medical Generator, NovyAntique Formaldehyde Gas Medical Generator, Novy $179.00 General Electric light bulb socket antique old vintage electrical - circa 1900General Electric light bulb socket antique old vintage electrical - circa 1900 $995.00
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Prices current as of last update, 02/18/20 6:03pm.

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