Robert Macpherson Scientific And Medical Objects

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Vintage Baby Dynamo Scientific Demonstration Generator Wood Base: Antique “Baby Dynamo” scientific demonstration generator dating to the late 19th or early 20th century. Mounted on its original wooden base with exposed field coil, armature, and original term

2026

Vintage Baby Dynamo Scientific Demonstration Generator Wood Base

Sphere Auctions LLCSun Prarie, WI

Antique Chicago Scientific Bipolar Electric Motor Parts c.1900–1915: Antique Chicago Scientific bipolar electric motor parts dating to the early 1900s. Includes original wire-wound field coils, cast iron mounting brackets, and electrical components from an early educat

2026

Antique Chicago Scientific Bipolar Electric Motor Parts c.1900–1915

Sphere Auctions LLCSun Prarie, WI

Antique Western Electric Co. Victorian Ammeter w/ Marble Base: Late 19th-century Western Electric Company ammeter featuring an ornate gilt face, curved glass window, and marble base. Marked Chicago, New York, London, and Antwerp. Scale to 200 amps. Untested and s

2026

Antique Western Electric Co. Victorian Ammeter w/ Marble Base

Sphere Auctions LLCSun Prarie, WI

Vintage 20-0-20 Ampere Charge Discharge Gauge Meter: Vintage automotive 20-0-20 ampere charge/discharge gauge featuring a black dial with gold lettering and chrome bezel. Designed to indicate battery charging and discharging current, this gauge was comm

2026

Vintage 20-0-20 Ampere Charge Discharge Gauge Meter

Sphere Auctions LLCSun Prarie, WI

Antique E.H. Ashcroft Boston Brass Steam Pressure Gauge c.1851: Antique E.H. Ashcroft brass steam pressure gauge, manufactured in Boston, Massachusetts, and dated 1851. Features a solid brass case, glass lens, and a classic dial graduated from 0–140 PSI with the

2026

Antique E.H. Ashcroft Boston Brass Steam Pressure Gauge c.1851

Sphere Auctions LLCSun Prarie, WI

Antique Emerson 16” Brass Blade Desk Fan Type 16646 110V: Antique Emerson Electric Mfg. Co. desk fan featuring a heavy cast iron base, four brass blades, and original Emerson center badge. Motor tag is marked Type 16646, 110 Volts, 60 Cycles, and 108 Watts.

2026

Antique Emerson 16” Brass Blade Desk Fan Type 16646 110V

Sphere Auctions LLCSun Prarie, WI

Antique K&D Kroeber & Dake Wooden Volt Meter Electrical Test Instrument: Antique K&D (Kroeber & Dake) volt meter housed in a wooden case with glass front and original scale marked 0–15 volts. Features exposed needle movement and brass terminals. Early electrical testing

2026

Antique K&D Kroeber & Dake Wooden Volt Meter Electrical Test Instrument

Sphere Auctions LLCSun Prarie, WI

Antique General Electric Steam Pressure Gauge Dial Brass 0–300 PSI Schenectady NY: Antique General Electric steam pressure gauge marked “General Electric Co., Schenectady, N.Y., U.S.A.” with 0–300 PSI steam scale. Features original brass bezel and glass with attractive age

2026

Antique General Electric Steam Pressure Gauge Dial Brass 0–300 PSI Schenectady NY

Sphere Auctions LLCSun Prarie, WI

Antique GE 16” Sidewinder Brass Blade Oscillating Fan c.1901–1910: Rare antique General Electric 16-inch “Sidewinder” oscillating desk fan, manufactured circa 1901–1910. Features a heavy cast iron base and motor housing, four brass blades, the desirable ear

2026

Antique GE 16” Sidewinder Brass Blade Oscillating Fan c.1901–1910

Sphere Auctions LLCSun Prarie, WI

Antique Edison Mfg. Co. Bipolar Desk Fan Brass Blade Open Motor: Rare antique Edison Manufacturing Company desk fan manufactured in Orange, New Jersey. Features an early open-frame bipolar motor with exposed field coils, four brass blades, cast iron base, and origi

2026

Antique Edison Mfg. Co. Bipolar Desk Fan Brass Blade Open Motor

Sphere Auctions LLCSun Prarie, WI

Antique Peerless 8” Brass Blade Desk Fan Style 4A18 c.1905–1910: Antique Peerless Electric Company desk fan, manufactured in Warren, Ohio, circa 1905–1910. Features a heavy cast iron base and motor housing, original 8-inch four-blade brass fan, brass wire cage, o

2026

Antique Peerless 8” Brass Blade Desk Fan Style 4A18 c.1905–1910

Sphere Auctions LLCSun Prarie, WI

Antique ECK 16” Ming Blade Stationary Brass Blade Fan c.1905–1915: Rare antique ECK “Ming Blade” stationary electric desk fan, manufactured by the ECK Dynamo & Motor Co., Belleville, New Jersey, circa 1905–1915. Features a heavy cast iron base and motor hou

2026

Antique ECK 16” Ming Blade Stationary Brass Blade Fan c.1905–1915

Sphere Auctions LLCSun Prarie, WI

Dayton Fan & Motor Co. Type 367 Oscillating Fan: This is an antique electric oscillating desk fan manufactured by The Dayton Fan and Motor Co. of Dayton, Ohio. The fan features a four-blade design protected by a circular wire cage. The motor housing

2026

Dayton Fan & Motor Co. Type 367 Oscillating Fan

Atlee Raber AuctionsDundee, OH

Vintage Westinghouse DC Motor Electrical Demonstrator 115V: Vintage educational electrical demonstration unit featuring a Westinghouse 115-volt DC motor mounted on a wooden base with a belt-driven generator/dynamo, control switch, and rheostat. Manufactured by

2026

Vintage Westinghouse DC Motor Electrical Demonstrator 115V

Sphere Auctions LLCSun Prarie, WI

Antique E. Leitz Wetzlar Brass Laboratory Microscope No. 132288: Antique E. Leitz Wetzlar compound microscope, serial no. 132288, made in Germany circa 1910–1920. Features brass optical tube, triple objective nosepiece, mechanical stage, substage condenser, and m

2026

Antique E. Leitz Wetzlar Brass Laboratory Microscope No. 132288

Sphere Auctions LLCSun Prarie, WI

Antique American Brass Co. Pressed Brass Paperweight: Antique solid brass advertising paperweight for The American Brass Co., Ansonia, Conn., U.S.A. The raised lettering includes the slogan “Pressed Metals” and “Brass Branch,” making it a

2026

Antique American Brass Co. Pressed Brass Paperweight

Sphere Auctions LLCSun Prarie, WI

Antique GE 10” Quiet Blade Art Deco Oscillating Fan c.1930s: Antique General Electric “Quiet Blade” 10-inch oscillating desk fan, manufactured in the 1930s. Features the distinctive Art Deco cast iron base and motor housing with four brass Quiet Blade f

2026

Antique GE 10” Quiet Blade Art Deco Oscillating Fan c.1930s

Sphere Auctions LLCSun Prarie, WI

Antique Knauth Bros. New York Brass Steam Pressure Gauge: Antique Knauth Bros. steam pressure gauge manufactured in New York, featuring a solid brass case with a silvered dial and black pointer. Calibrated in pounds per square inch (PSI), this early industri

2026

Antique Knauth Bros. New York Brass Steam Pressure Gauge

Sphere Auctions LLCSun Prarie, WI

Vintage 1976 Durham Industries Miniature Cast Iron Desk Fan Hong Kong: Vintage miniature cast iron desk fan manufactured by Durham Industries, Inc., Item No. 53, dated 1976 and made in Hong Kong. Designed as a decorative desktop collectible inspired by early electric fan

2026

Vintage 1976 Durham Industries Miniature Cast Iron Desk Fan Hong Kong

Sphere Auctions LLCSun Prarie, WI

Antique Portometer Battery Tester Farley & Smith Bethlehem PA Cast Iron Model 1048: Antique Portometer battery tester manufactured by Farley & Smith Co. of Bethlehem, Pennsylvania. Heavy cast iron portable D.C. volt tester featuring the original gauge, carrying handle, and internal w

2026

Antique Portometer Battery Tester Farley & Smith Bethlehem PA Cast Iron Model 1048

Sphere Auctions LLCSun Prarie, WI

Antique Wooden Slide Rheostat Variable Resistance Coil Electrical Apparatus: Antique variable resistance slide rheostat dating from the late 19th or early 20th century. Features a turned hardwood base, wound resistance coil, brass terminals, and removable contact assembly. Ori

2026

Antique Wooden Slide Rheostat Variable Resistance Coil Electrical Apparatus

Sphere Auctions LLCSun Prarie, WI

Lot of 6 Vintage Battery Testers Voltmeters Ammeters Buckeye Excel Elite: Lot of six vintage electrical testing instruments including Buckeye Battery Tester, Excel Ammeter/Voltmeter, Elite Voltmeter, Sterling Voltmeter, Connecticut Electric Co. Voltmeter, and an early Ammet

2026

Lot of 6 Vintage Battery Testers Voltmeters Ammeters Buckeye Excel Elite

Sphere Auctions LLCSun Prarie, WI

Antique Chicoo Apparatus Co. Electromagnetic Demonstration Device: Antique scientific demonstration apparatus by Chicoo Apparatus Co. dating to the late 19th or early 20th century. Features a cast iron frame, dual electromagnetic coils, adjustable contacts, and a hea

2026

Antique Chicoo Apparatus Co. Electromagnetic Demonstration Device

Sphere Auctions LLCSun Prarie, WI

Antique Weeden Electromagnetic Motor Demonstrator: Antique Weeden electromagnetic motor or electrical demonstration apparatus featuring a cast iron frame, brass-tone flywheel, twin copper-wound field coils, and mechanical contact arm. Designed as an e

2026

Antique Weeden Electromagnetic Motor Demonstrator

Sphere Auctions LLCSun Prarie, WI

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