Brass Scientific Instruments
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Material: Brass
French 18th Century Balance Scale
Located in Atlanta, GA
A handsome French 18th century balance scale in iron and brass. The balance mechanism is in iron. The foot and the plates are in brass. The...
Category
18th Century French Antique Brass Scientific Instruments
Materials
Brass, Iron
Very Large Ophtalmotrope
Located in Peekskill, NY
What is an ophthalmotrope? An ophthalmotrope is an apparatus for demonstrating the movements of the eye and the action of the different muscles which produce them, consisting essentially of a model eyeball to which are attached strings and pulleys to duplicate the line force of the muscles.
We think this example is most likely French from the early 20th century. The base is marble with paw feet. It’s also quite large at well over 3 foot tall. This instrument is very complete. It also includes additional parts to set the mechanics up in a different way. In the pictures above the strings are attached to a keyboard. The alternative replaces the keyboard with string guide with a dozen hanging tubular weights. This is one of the largest and most decorative examples we have seen. I have only seen pictures of ophthalmotropes and never one this fine and complete. It’s as rare and impressive show piece.
This item was also used in the movie Knives Out,
Category
Early 20th Century French Industrial Brass Scientific Instruments
Materials
Brass
English Antique George II Mahogany Stick Barometer by Polti of Exeter
By C. Polti
Located in Devon, GB
A rare George II period mahogany stick barometer with finely carved cistern cover and surround to partly conceal the mercury tube. Most unusually the signed register plate is made of...
Category
Mid-18th Century English George II Antique Brass Scientific Instruments
Materials
Brass
Large Early 20th Century King Edward vii W & T Avery Beam Scale
By W & T Avery
Located in Hamilton, Ontario
Large antique wrought iron and brass beam weight balance scale by W and T Avery Ltd. of Soho foundry Birmingham, England. Lovely black transfer on a por...
Category
Early 20th Century English Brass Scientific Instruments
Materials
Brass, Wrought Iron
Pair of Steampunk Brass Industrial Architectural Pressure Gauges
Located in Philadelphia, PA
A super cool pair vintage General Electric pressure gauges. Each brass and glass gauge houses an aluminum faced dial marked for the General Electric Co.
Perfect for a steam punk set...
Category
Early 20th Century American Steampunk Brass Scientific Instruments
Materials
Brass
Sikes Hydrometer by Riddels Limited, Belfast
By Riddels Limited
Located in Austin, TX
A boxed hydrometer (serial no.16234) with all parts, includes thermometer, ten weights and float, in fitted case.
Top plate marked: "Sikes' Hydrometer, Riddels Limited. Belfast."
...
Category
19th Century British Antique Brass Scientific Instruments
Materials
Brass, Copper
Balance Scale
Located in Los Angeles, CA
American balance scale.
Category
Early 20th Century Unknown Brass Scientific Instruments
Materials
Brass, Iron
Antique Hand-Carved Gothic Revival Barometer & Thermometer w. Trefoil Symbol
Located in Lisse, NL
Excellent condition, Gothic Revival barometer.
This all handcrafted barometer in the Gothic style is definitely a rare find. This superb condition antique was entirely hand-crafted ...
Category
Early 20th Century Dutch Gothic Revival Brass Scientific Instruments
Materials
Metal, Brass
Rare Barocyclonometer by Henry Hughes & Son of London
By Henry Hughes and Son Ltd.
Located in London, GB
A rare barocyclonometer by Henry Hughes & Son of London, circa 1920.
Two silvered 7 inches dials mounted on an oval backboard, the left dial is the Northern hemisphere countercloc...
Category
Early 20th Century English Brass Scientific Instruments
Materials
Brass
Walter Bosse Cow Figurine with Thermometer by Herta Baller, Austria, 1950s
Located in Vienna, AT
A charming Austrian desk thermometer, consisting of a nice cow figurine and a lantern-shaped thermometer. A humorous design by Walter Bosse, executed by H...
Category
Mid-20th Century Austrian Mid-Century Modern Brass Scientific Instruments
Materials
Brass
English 19th Century Brass Herbalist Scale with Central Column and Lyre Motif
Located in Atlanta, GA
An English brass herbalist scale from the 19th century, with column and lyre details, mounted on a wooden base. Used to measure herbs, this exquisite scale features a brass structure presenting a central column adorned with a capital topped with a lyre, supporting the two brass scoop...
Category
19th Century English Antique Brass Scientific Instruments
Materials
Brass
Antique Wood and Brass Protractor
Located in Norwalk, CT
A really nice example of a handmade tool, this protractor is carved wood and fitted with handmade brass fittings.
Category
Late 19th Century Antique Brass Scientific Instruments
Materials
Brass
Bavarian Pharmacy Balance
Located in New Orleans, LA
This amazing and extremely rare Bavarian Biedermeier-period pharmacy balance stand would have been at home at any apothecary’s shop during the mid-19th century. Crafted of walnut with bold giltwood accents, this stand holds eight separate sets of balances with brass beams and pointers, and weighing pans made of Horn, brass and porcelain. The balances measure out varying sizes; the largest is capable of measuring up to 500 grams, while smallest weighs up to 5 grams. Such balances would have been essential tools in the practice of compounding, or creating customized medications to suit a specific patient's needs. The delicate porcelain scales even indicate what they were used to weigh: one set is marked “Jodoform,” or iodoform, a disinfectant and antiseptic once used to treat wounds, and the other is marked “Venena,” which is Latin for “poisons.” Each scale also exhibits stamps indicating that they have been tested for accuracy. It is extremely rare to find such a large array of scales, especially those in such wonderful condition, in one collection. This intriguing piece is a must for any medical antiques enthusiast.
The units of measurement in which apothecaries worked were often minute: grains, scruples, drams and ounces. As they were typically used to measure very small amounts of ingredients, apothecary and analytical balances...
Category
19th Century Balkan Biedermeier Antique Brass Scientific Instruments
Materials
Brass
English Mahogany Stick Barometer Signed T. Taylor London
Located in Savannah, GA
Stick Barometer signed T. Taylor London featuring mahogany case with bone plinth, inlay and knob. Broken arch pediment above a flush-glass door, enclosing register plate and thermometer. Fully restored and calibrated by Julian Gibbard, Harpers Ferry...
Category
Early 1800s English George III Antique Brass Scientific Instruments
Materials
Brass
English Brass Bankers Balance Scale from the 19th Century with Circular Pans
Located in Atlanta, GA
An English brass bankers balance scale from the 19th century. Born in England during the 19th century, this elegant brass bankers scale features a centra...
Category
19th Century English Antique Brass Scientific Instruments
Materials
Brass
English Late 19th Century Large Brass Table Scale and Weights
Located in Baton Rouge, LA
A stunning, large brass table scale, made near the turn of the century, England. The scale is no longer operational, but still makes an mighty impact on a space. The scale is made of...
Category
Late 19th Century English Antique Brass Scientific Instruments
Materials
Marble, Brass, Copper, Iron
19th Century Chinese Apothecary Balance Scale Stand
Located in Rio Vista, CA
Large Chinese carved wood apothecary balance scale with stand and storage drawer cabinet. It features beautiful carved fretwork on the top and sides...
Category
19th Century Chinese Ming Antique Brass Scientific Instruments
Materials
Brass
John Bennett Georgian Barometer
By John Bennett
Located in New Orleans, LA
This exceptional Georgian barometer by the leading London instrument-maker John Bennett strongly reflects the prevalent furniture style and archite...
Category
18th Century English Georgian Antique Brass Scientific Instruments
Materials
Brass
English Victorian Blue & Brass Telescope
Located in New York, NY
English Victorian brass and blue telescope on adjustable mahogany tripod base.
Category
19th Century English Victorian Antique Brass Scientific Instruments
Materials
Brass
Charpentier French Victorian Brass Scale
By P. Charpentier a Paris 1
Located in New York, NY
French Victorian brass scale with 2 round trays on square wooden base (signed CHARPENTIER with hallmark)
Category
19th Century French French Provincial Antique Brass Scientific Instruments
Materials
Brass
French 19th Century Brass Fabric Scale on Wooden Base by the Maison Piat
Located in Atlanta, GA
A French brass fabric scale from the 19th century with wooden base, from the Maison Piat. Created in Paris during the 19th century, this fabric scale, made of brass, is mounted on a ...
Category
19th Century French Antique Brass Scientific Instruments
Materials
Brass
Late 19th Century Physics Teaching Wheel
Located in Santa Monica, CA
These educational wheels, with copper and black painted surfaces, were used by Physics teachers in the late 19th century.
Please note we have two of these wheels available. One i...
Category
19th Century American Antique Brass Scientific Instruments
Materials
Copper, Brass
English Brass Urn & Marble Base Scale . Circa 1815
Located in Hollywood, SC
English brass scale with centered urn , feather pointer , brass pans, marble base , and terminating on brass ball feet. All original . Early 19t...
Category
1810s English George III Antique Brass Scientific Instruments
Materials
Marble, Brass
Antique 5 Draw Telescope, English, Terrestrial, Broadhurst Clarkson, Edwardian
Located in Hele, Devon, GB
This is an antique 5-draw telescope. An English, brass terrestrial or astrological refractor by Broadhurst, Clarkson & Co, dating to the Edwardian period, circa 1910.
Perfect for bi...
Category
Early 20th Century British Edwardian Brass Scientific Instruments
Materials
Brass
Ventilatore Marelli
Located in Roma, IT
L'azienda nacque nel 1891 a Milano come ditta individuale per iniziativa di Ercole Marelli, in gioventù operaio al Tecnomasio italiano di Milano. Inizialmente la società produceva ap...
Category
1960s Italian Industrial Vintage Brass Scientific Instruments
Materials
Brass, Iron
U.S. Army officer's pocket compass during WW1 signed WITTNAUER
Located in Milan, IT
U.S. Army officer's pocket compass during World War I made of chrome-plated brass in the shape of an onion clock, signed WITTNAUER.
The compass is equipped with a snap-lock cover wi...
Category
1910s Vintage Brass Scientific Instruments
Materials
Brass
Pair WW1 Binoculars - British Officer's Issue by LeMaire, Paris
Located in Bath, GB
A fabulous pair of French made World War 1 British Officers Military binoculars with both the brass on the binoculars and the leather case with the British military crows foot mark. ...
Category
1910s French Vintage Brass Scientific Instruments
Materials
Brass
20th Century Japanese Polished Naval Bridge Binoculars By Kowa, c.1960
By Kowa
Located in Royal Tunbridge Wells, Kent
A rare set of naval bridge binoculars by Kowa, manufactured in Japan in the third quarter of the 20th century. They have been expertly cleaned ...
Category
20th Century Japanese Brass Scientific Instruments
Materials
Aluminum, Brass, Steel
19th Century T Walker’s Patent Harpoon Ship Log a 1 London Antique Maritime Tool
Located in Milan, IT
Brass log in the shape of a harpoon, signed T. Walker’s Patent Harpoon Ship Log A 1 London, from the second half of the 19th century. It is an ancient nautical instrument, very rare and with a characteristic shape, which measured the distance and speed of a ship. He was thrown overboard and dragged behind the ship itself; rotating thanks to its propeller, it transmitted the number of revolutions made on itself to the three dials made on an enameled metal plate placed in the center of the log; the quadrants reported measurements in miles from 0 to 100 in tens, from 0 to 10 in units, from 0 to 1 in quarters.
The data was then read every hour to also derive the speed.
In good condition, fully functional and mounted on a custom-made brass wooden base. Length 50 cm – 19.7 inches, propeller width 14 cm - 5.5 inches, log body diameter 4,5 cm - 1.7 inches.
Shipping is insured by Lloyd's London; our gift box is free.
In the past centuries the attempt to measure the speed of the ships was especially hindered by the lack of tools for the measurement of time of sufficient precision: throwing a piece of wood into the sea from the bow of a ship and measuring the time it took to get at the stern, it was possible to obtain some information on the speed of the ship, but with many errors and inaccuracies.
The principle of mechanical patent log was shown to the Royal Society in 1699 by Robert Hooke, but the first model produced for commercial use was patented just in 1802 by Edward Massey, uncle of Thomas Walker, that succeeded him in business.
Thomas Walker patented his first Walker log...
Category
1860s Antique Brass Scientific Instruments
Materials
Brass
Scale from Salter N 50
By George Salter & Co. Ltd
Located in Roma, IT
Bilancia degli anni '40/'50 funzionante in ghisa e piastra in ottone
Bella patina funzionante, quadrante smaltato in buone condizioni
Corpo in ferro
Category
Mid-20th Century English Industrial Brass Scientific Instruments
Materials
Brass, Iron
John Cary Travel Celestial Globe in Box Marked Cary & Co London, No. 21540
By John Cary
Located in GB
We are delighted to offer for sale this lovely John Cary Travel Celestial Globe in Box marked Cary & Co London, No. 21540
This globe I believe is classed as a 14 inch which is the...
Category
19th Century English Victorian Antique Brass Scientific Instruments
Materials
Brass
Maco Braga Brass Apothecary Balance Scale
Located in San Mateo, CA
Brass apothecary style balance scale. This is marked J.A.L Portugal in numerous places. The scale retains all of it's original weights. The scale trays do not sit level without anyth...
Category
Late 19th Century Portuguese Victorian Antique Brass Scientific Instruments
Materials
Brass
19th C Wax Anatomical Models Human Heart Growth Scientific Medical F.Ziegler
Located in Lowestoft, GB
A very rare and compete collection of ten labeled wax models of the human heart, showing the fetal development form early in the fourth week, to complete fetal growth.
The hand colo...
Category
1890s Antique Brass Scientific Instruments
Materials
Brass
Gold Brass Adjustable Desktop Magnifier Accessories 20th Century Glass
Located in Mombuey, Zamora
Brass adjustable desk magnifier
20th century
Elegant desktop magnifying glass made of golden brass, with original magnifying glass and very ...
Category
20th Century French Other Brass Scientific Instruments
Materials
Brass
Old Brass Tool American Improved Spring Balance Hanging Scale 24 LB
Located in Chula Vista, CA
Scale
Old vintage tool brass hanging scale stamped American Improved Spring Balance 24 LB
Untested. Selling as is condition.
Measures: 9.25 tall x ...
Category
Early 20th Century American Industrial Brass Scientific Instruments
Materials
Brass
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