SoldElectrostatic Demonstration Models, c. 1915Electrostatic Demonstration Models, c. 1915 1) 2 dischargers, on long glass isolators, height 24 4/5 in. – 2) Vacuum tube, length 41 in. – 3) Lightning tube, length 27 1/5 in. – 4) Gold foilSee Sold Price
SoldGroup of Electrostatic Demonstration Models, c. 1920Group of Electrostatic Demonstration Models, c. 1920 1) Leyden jar, height 9 ½ in. – 2) "Der elektrische Mörser" (electric mortar) for elderberry ball experiments. – 3) 2 lightning plates. –See Sold Price
SoldElectro-Physical Demonstration Models, c. 1915Electro-Physical Demonstration Models, c. 1915 1) Hollow metal cylinder, on glass pillar, height 18 7/8 in. – 2) Faraday cage, height 15 in. – 3) 2 electric chimes, one incomplete. – And: 4) 2See Sold Price
Sold3 Electro-Physical Demonstration Models, c. 19153 Electro-Physical Demonstration Models, c. 1915 1) Stand with 2 copper spirals separated by a glass cylinder, with an incandescent lamp, height 13 in. - 2) Kolbe's electrometer, aluminum, standard bSee Sold Price
3 Electro-Physical Demonstration Models, c. 19153 Electro-Physical Demonstration Models, c. 1915 1) Stand with 2 copper spirals separated by a glass cylinder, with an incandescent lamp, height 13 in. – 2) Kolbe's electrometer, aluminum, standardSee Sold Price
Sold2 Magnetic Demonstration Models, c. 19152 Magnetic Demonstration Models, c. 1915 Manufactured by Max Kohl, Chemnitz. 1) Electro-magnet, with tray and keeper. – And: 2) Horseshoe permanent magnet, with tray. 2 magnetische DemonstrationsmSee Sold Price
Large Steam Engine Demonstration Model, c. 1915Large Steam Engine Demonstration Model, c. 1915 Marked on the pressure meter "Herm. Riemann, Chemnitz", wood-cased vertical boiler Ø 7 in., fixed double action cylinder Ø 1 1/2 in., flywheel Ø 6 2/See Sold Price
SoldTesla Coil Demonstration Model, c. 1915Tesla Coil Demonstration Model, c. 1915 With label: "Elektro Vulkan, Kromeriz", circular wood base, inner coil on porcelain isolator, outer coil on 3 glass columns, height 15 ¾ in., Ø 10 1/5 in.,See Sold Price
SoldRema Calculator and Dactyle Demonstration Model, c.Rema Calculator and Dactyle Demonstration Model, c. 1915 1) Rema I, Braunschweiger Rechenmaschinenfabrik Rema G.m.b.H., serial no. 1420, 9, 8 and 13 digits, with wood base and lid, works very well. -See Sold Price
Sold2 Electrostatic Induction Demonstration Models, c. 19002 Electrostatic Induction Demonstration Models, c. 1900 Glass balls with hanging gold strips, conductors on the top, height 7 ½ and 9 7/8 in. 2 Demonstrationsmodelle "Influenz-Elektrizität", um 1900See Sold Price
Sold7 Electrostatic and Other Demonstration Models, c. 19107 Electrostatic and Other Demonstration Models, c. 1910 2 electroscopes, 2 coils on board, 2 water decomposition apparatuses, 1 metal ring with measuring ball, and a box of 6 lightning panels. 7 DemonSee Sold Price
SoldPhysical Demonstration Model "Francis Turbine", c.Physical Demonstration Model "Francis Turbine", c. 1915 With coupled generator, adapted for connection to household plumbing, on wooden base, size 10 5/8 x 9 1/2 x 13 1/3 in. Physikalisches DemonstratSee Sold Price
SoldDemonstration Model of a Spark Gap, c. 1915Demonstration Model of a Spark Gap, c. 1915 By Nederlandsche Instrumentenfabriek, Utrecht, for sparks up to 2 ¾ in. adjustable from the side, mahogany case, plug-in glass plates, size 19 x 12 ½ xSee Sold Price
Sold6 Unusual Electrical Motors, c. 19156 Unusual Electrical Motors, c. 1915 Physical demonstration models or toy motors, all of open construction, three magnetic motors, 4–8 volt, good condition but untested. 6 interessante ElektromotoSee Sold Price
SoldGroup of Vacuum Tubes, c. 1915Group of Vacuum Tubes, c. 1915 Physical demonstration models. 1) Geissler tube lighting up by friction, length 19 1/3 in. – And: 2) 10 various Geissler tubes, 2 of them liquid-filled, some uraniumSee Sold Price
SoldRighi Oscillator by Max Kohl, c. 1915Righi Oscillator by Max Kohl, c. 1915 German demonstration model by "Max Kohl, Chemnitz", with 2 large nickeled spheres flanked by 2 smaller ones, on oak base with lid, width 24 in. Righi-Oszillator vSee Sold Price
SoldElectro-Magnetic Motor with Rotating Geissler Tube, c.Electro-Magnetic Motor with Rotating Geissler Tube, c. 1915 Physical demonstration model, height 9 7/8 in., tube length 10 1/5 in., good condition, untested. Elektromagnetischer Motor mit rotierenSee Sold Price
SoldLot of Physical Demonstration Models, c. 1920Lot of Physical Demonstration Models, c. 1920 1) Wimshurst's electrostatic machine, manufacturer "Fritz Saran, Halberstadt", discs Ø 10 1/5 in., without crank. - 2) Galvanometer, manufacturer "W.J. HSee Sold Price
SoldLot of Physical Demonstration Models, c. 1920Lot of Physical Demonstration Models, c. 1920 1) Wimshurst's "Voltana" electrostatic machine, height 17 in, complete working condition! - 2) 3 Geissler's tubes (2 of them with spirit), 1 small x-ray tSee Sold Price
Sold4 Interesting Physical Demonstration Models, c. 19004 Interesting Physical Demonstration Models, c. 1900 1) Ebert's phosphorescent lamp with 2 electrodes. – 2) Crookes' apparatus for experiments on radiant matter. – 3) Crookes' radiometer. – And:See Sold Price
SoldGroup of Physical Demonstration Models, c. 1920Group of Physical Demonstration Models, c. 1920 1) Electromagnetic tuning fork. - 2) Sliding induction coil by Kagenaar, Utrecht. - 3) Cutaway model of an electric-driven sound generator. - 4) GalvanSee Sold Price
Sold3 Driving School Demonstration Models, c. 19603 Driving School Demonstration Models, c. 1960 Germany. 1) Höhm. Cutaway model of a 4-cylinder engine with coupling and gearbox, electrically driven (230 V), working. - 2) Höhm. Diesel engine, handSee Sold Price
SoldPhysical Demonstration Models, c. 1920Physical Demonstration Models, c. 1920 1) Small Wimshurst's induction machine, complete but for restoration. - 2) Communication tubes. - 3) Electroscope. - 4) Vertical galvanometer. - 5) Leyden jar.See Sold Price
Sold3 Driving School Demonstration Models, c. 19603 Driving School Demonstration Models, c. 1960 Manufacturer: Höhm, Germany. 1) Motor vehicle steering. - 2) Four-stroke engine. - And: 3) Rear axle. - All working. - In addition: 2 textbooks for driSee Sold Price
BOWSER MODEL #C 81 H "SQUARE VISIBLE" GAS PUMP.Dan Morphy Auctions4.2(1.3k)See Sold PriceFeb 24, 2024
Dresden Germany Porcelain Oval Serving Dish, Gilt Greek Key Border Rim, c1915Taylor & Harris4.7(161)See Sold PriceMar 10, 2024
A fine early Dutch Loosdrecht gilt-glazed porcelain dishOstantix Auctions4.4(11)See Sold PriceFeb 28, 2024
TANDBERG A. R. VETTER CO MODEL C INSTRUMENTATION CASSETTE RECORDERHutchinson Scott Auctioneers4.4(42)See Sold PriceFeb 28, 2024
Pair of decorative vessels ''Colpo di Vento''Dr. Fischer Fine Art Auctions4.5(110)See Sold PriceMar 09, 2024
Hallmark Sterling Silver Baby Food Pusher Designed by Georg P. Tilton c. 1915Mynt Auctions4.6(697)See Sold PriceMar 01, 2024
Francois Bazin (Attr.) - Spiro, La force du vent, c. 1915 - Art Deco bronze sculpture!NCAG4.4(33)See Sold PriceMar 10, 2024
Tru-Scale Allis Chalmers Model C TractorChupp Auctions & Real Estate, LLC4.6(244)See Sold PriceMar 20, 2024
True-Scale Allis Chalmers Model C TractorChupp Auctions & Real Estate, LLC4.6(244)See Sold PriceMar 20, 2024
Edison Oak Standard Model C Cylinder Record PlayerIroquois Auctions4.1(134)See Sold PriceApr 20, 2024
A RARE CHARITY CONTAINER COLLECTING FUNDS FOR THE GREAT CHARITY OF JERUSALEM. Jerusalem, c.1915.J. Greenstein & Co., Inc.4.2(55)See Sold PriceApr 16, 2024
Bose Acoustic Wave Model CD 3000William Bunch Auctions & Appraisals4.6(878)See Sold PriceFeb 27, 2024
Ray Eames , Stool for the 'Time-Life' building - 'Model C', 1960Quittenbaum Kunstauktionen GmbH4.3(63)See Sold PriceMar 19, 2024
SCOVILL WATERBURY DETECTIVE CAMERA, ORIGINAL MODELAustin Auction Gallery4.7(1.2k)See Sold PriceApr 12, 2024
(4) MAGIC LANTERNS LAPIERRE LANTERNE SALON, SLIDESAustin Auction Gallery4.7(1.2k)See Sold PriceApr 12, 2024
(2) LAPEIRRE (ATTRIB.) MAGIC LANTERNS, c.1880sAustin Auction Gallery4.7(1.2k)See Sold PriceApr 12, 2024
(19) BOX CAMERAS, KODAK, ANSCO, BULLS EYE 1898Austin Auction Gallery4.7(1.2k)See Sold PriceApr 12, 2024
(8) VINTAGE CAMERAS, KODAK & ANSCO, ONE LIKE NEWAustin Auction Gallery4.7(1.2k)See Sold PriceApr 12, 2024
