Antique & Vintage Scientific & Medical Objects for Sale in Online Auctions

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Brass Pocket Compasses: Nice group of two compasses, one German made.

2026

Brass Pocket Compasses

Davis Brothers AuctionMissoula, MT

Collection of Brass Pocket Compasses: Nice group.

2026

Collection of Brass Pocket Compasses

Davis Brothers AuctionMissoula, MT

Swiss Army Compass Sitometer: 2 1/2" by 3 5/8".

2026

Swiss Army Compass Sitometer

Davis Brothers AuctionMissoula, MT

Collection of Brass Pocket Comapasses: Nice grouping.

2026

Collection of Brass Pocket Comapasses

Davis Brothers AuctionMissoula, MT

Vintage Fulton Mini Pliers: R-4671 comes with Pouch

2026

Vintage Fulton Mini Pliers

Vintage AuctionsOttawa, OH

CASED KELVIN WHITE GIMBALED WET COMPASS Boston, Early 20th Century Case height 5.25". Width 8".: CASED KELVIN WHITE GIMBALED WET COMPASS Boston, Early 20th Century Serial #02901. Rim with white etched lettering "Kelvin White Boston". Case height 5.25". Width 8". Depth 8".

2026

CASED KELVIN WHITE GIMBALED WET COMPASS Boston, Early 20th Century Case height 5.25". Width 8".

Eldred'sHanover, MA

LAURENT COLORIMETER France, 19th Century Height 11.5". Base 5.5" x 4.5". Includes a walnut case.: LAURENT COLORIMETER France, 19th Century Measures the absorbance of particular wavelengths of light by a specific solution. Marked "Laurent Rue de l'Odion, Paris". Height 11.5". Base 5.5" x 4.5". Incl

2026

LAURENT COLORIMETER France, 19th Century Height 11.5". Base 5.5" x 4.5". Includes a walnut case.

Eldred'sHanover, MA

NAUDET ET CIE BAROGRAPH France, Late 19th/Early 20th Century Case height 6.75". Width 11.5". Depth: NAUDET ET CIE BAROGRAPH France, Late 19th/Early 20th Century Within a mahogany and glass case with hinged lid. Engraved maker's mark "P.N.H.B.". Stamped "96". Case height 6.75". Width 11.5". Depth 5.7

2026

NAUDET ET CIE BAROGRAPH France, Late 19th/Early 20th Century Case height 6.75". Width 11.5". Depth

Eldred'sHanover, MA

BIOT'S ELECTROSTATIC APPARATUS Late 19th Century Height 10". Ball diameter 3.5".: BIOT'S ELECTROSTATIC APPARATUS Late 19th Century Demonstrates electric charge resides only on the surface of a conductor. Unmarked but likely made by Philip Harris. Height 10". Ball diameter 3.5". Not

2026

BIOT'S ELECTROSTATIC APPARATUS Late 19th Century Height 10". Ball diameter 3.5".

Eldred'sHanover, MA

TWO THERMOPILE DEVICES Late 19th Century Heights 8.5" and 9".: TWO THERMOPILE DEVICES Late 19th Century Used to convert thermal energy into electrical energy.?Both unmarked, although the larger is believed to be a Melloni Thermopile Professional Model. Both lacqu

2026

TWO THERMOPILE DEVICES Late 19th Century Heights 8.5" and 9".

Eldred'sHanover, MA

CROCKER-WHEELER BI-POLAR ELECTRIC MOTOR FAN New York, Late 19th Century Height 15". Cage diameter: CROCKER-WHEELER BI-POLAR ELECTRIC MOTOR FAN New York, Late 19th Century Labeled "Crocker-Wheeler Motor Co. New York. 1/6 HP. Type 1/8 T No. 877 Speed 1600 Volts 11[?]". All six original blades marked

2026

CROCKER-WHEELER BI-POLAR ELECTRIC MOTOR FAN New York, Late 19th Century Height 15". Cage diameter

Eldred'sHanover, MA

CROSBY STEAM GAUGE & VALVE CO. PORTABLE STEAM ENGINE RECORDER Boston, Late 19th Century Case height: CROSBY STEAM GAUGE & VALVE CO. PORTABLE STEAM ENGINE RECORDER Boston, Late 19th Century Measures the pressure of steam. Patent date September 2, 1879, no. 219,249 and September 5, 1882, no. 263,843. E

2026

CROSBY STEAM GAUGE & VALVE CO. PORTABLE STEAM ENGINE RECORDER Boston, Late 19th Century Case height

Eldred'sHanover, MA

TWO WATCHMAKER'S LATHES Likely Germany, Late 19th Century Heights 9" and 10.5".: TWO WATCHMAKER'S LATHES Likely Germany, Late 19th Century One rounding-up lathe, other possibly is as well. Both apparently unmarked. One mounted to a one-drawer wood base, which contains nine extra b

2026

TWO WATCHMAKER'S LATHES Likely Germany, Late 19th Century Heights 9" and 10.5".

Eldred'sHanover, MA

ANDREW J. LLOYD CO. TABLETOP DUAL (MIN-MAX) THERMOMETER Boston, Late 19th Century Height 4.75".: ANDREW J. LLOYD CO. TABLETOP DUAL (MIN-MAX) THERMOMETER Boston, Late 19th Century Engraved bone degree scale mounted on a mahogany stand. Contains mercury and cannot be shipped as-is. Height 4.75". Le

2026

ANDREW J. LLOYD CO. TABLETOP DUAL (MIN-MAX) THERMOMETER Boston, Late 19th Century Height 4.75".

Eldred'sHanover, MA

SIR WILLIAM THOMSON'S QUADRANT ELECTROMETER BY JAMES WHITE Glasgow, Late 19th Century Height 13.5".: SIR WILLIAM THOMSON'S QUADRANT ELECTROMETER BY JAMES WHITE Glasgow, Late 19th Century Marked "J. White, Glasgow" and "Lord Kelvin's Quadrant Electrometer No. 186". Height 13.5". Width approx. 11". Dep

2026

SIR WILLIAM THOMSON'S QUADRANT ELECTROMETER BY JAMES WHITE Glasgow, Late 19th Century Height 13.5".

Eldred'sHanover, MA

AN ELECTRIC CURRENT METER AND A RESISTANCE BOX Late 19th/Early 20th Century: AN ELECTRIC CURRENT METER AND A RESISTANCE BOX Late 19th/Early 20th Century 1) "System Weston Ampere" by Weston Electrical Instrument Co., Newark, New Jersey. Measures direct or alternating electric c

2026

AN ELECTRIC CURRENT METER AND A RESISTANCE BOX Late 19th/Early 20th Century

Eldred'sHanover, MA

CASED AMSLER PLANIMETER 19th Century Case height 4.5". Width 19.5". Depth 5.5".: CASED AMSLER PLANIMETER 19th Century Unmarked, but possibly by Keuffel & Esser. With modified period case. Case height 4.5". Width 19.5". Depth 5.5".

2026

CASED AMSLER PLANIMETER 19th Century Case height 4.5". Width 19.5". Depth 5.5".

Eldred'sHanover, MA

THREE SMALL LEATHER-CASED DEVICES Late 19th/Early 20th Century: THREE SMALL LEATHER-CASED DEVICES Late 19th/Early 20th Century 1) Brass compass by W. & L.E. Gurley, Troy, New York. Diameter 3.75". 2) Wimperis accelerometer by Elliott Bros., London. Diameter 4.25".

2026

THREE SMALL LEATHER-CASED DEVICES Late 19th/Early 20th Century

Eldred'sHanover, MA

FOUR SMALL LABORATORY INSTRUMENTS: FOUR SMALL LABORATORY INSTRUMENTS 1) Vacuum air condenser with clamp. Length 12". 2) Bronze Bunsen burner. Height 5.25". 3) Unmarked centrifuge. Height 13". Missing its winder/crank. 4) Unmarked elect

2026

FOUR SMALL LABORATORY INSTRUMENTS

Eldred'sHanover, MA

PHILIP HARRIS & CO. LTD. WIMSHURST ELECTROSTATIC MACHINE Birmingham, England, Late 19th Century: PHILIP HARRIS & CO. LTD. WIMSHURST ELECTROSTATIC MACHINE Birmingham, England, Late 19th Century Two-plate mechanism. Brass maker's plaque on wood base. No evident serial number. Height 25". Width 24".

2026

PHILIP HARRIS & CO. LTD. WIMSHURST ELECTROSTATIC MACHINE Birmingham, England, Late 19th Century

Eldred'sHanover, MA

FOUR ELECTRICITY METERS Late 19th/Early 20th Century: FOUR ELECTRICITY METERS Late 19th/Early 20th Century 1) Thomson Ammeter by General Electric Co. Copper finish. Diameter 7.25". 2) Thomason Alternating Ammeter. Patent dates July 16, 1895 and May 26, 1

2026

FOUR ELECTRICITY METERS Late 19th/Early 20th Century

Eldred'sHanover, MA

RANDALL & STICKNEY THICKNESS GAUGE MICROMETER Waltham, Massachusetts, Late 19th Century Height 8".: RANDALL & STICKNEY THICKNESS GAUGE MICROMETER Waltham, Massachusetts, Late 19th Century Patent date August 21, 1883. Maker's mark and patent date on dial. Cast iron base under original paint and with

2026

RANDALL & STICKNEY THICKNESS GAUGE MICROMETER Waltham, Massachusetts, Late 19th Century Height 8".

Eldred'sHanover, MA

CASED H.M. POOL BRASS SURVEYOR'S COMPASS Easton, Massachusetts, Mid-19th Century Case height 4.5".: CASED H.M. POOL BRASS SURVEYOR'S COMPASS Easton, Massachusetts, Mid-19th Century Marked on dial "H.M. Pool Easton, Mass". Case height 4.5". Width 15.75". Depth 7.75". Notes: Horace Minot Pool (1803-18

2026

CASED H.M. POOL BRASS SURVEYOR'S COMPASS Easton, Massachusetts, Mid-19th Century Case height 4.5".

Eldred'sHanover, MA

CASED J. DAVIS & SON SURVEYOR'S COMPASS Derby, England, Early to Mid-19th Century Dial diameter: CASED J. DAVIS & SON SURVEYOR'S COMPASS Derby, England, Early to Mid-19th Century Silvered dial engraved with the maker's name in script lettering. With folding tripod having 48" legs. Dial diameter 5

2026

CASED J. DAVIS & SON SURVEYOR'S COMPASS Derby, England, Early to Mid-19th Century Dial diameter

Eldred'sHanover, MA

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