Sold20234 Demonstration Models of a Calculating Machine and 3 Typewriters4 Demonstration Models of a Calculating Machine and 3 Typewriters 1) Ideal typewriter, Seidel & Naumann, Dresden, with 4 keys, carriage shift and drum in cross-section. - 2) Torpedo typewriter, key moSee Sold Price
Sold20234 Spoked-Wheel Calculating Machines and a Demonstration Model4 Spoked-Wheel Calculating Machines and a Demonstration Model 1) Rema I, 1914 onwards, Braunschweiger Rechen­maschinenfabrik Rema GmbH, serial no. 4340, with 9, 8 and 13 digits, with wood base anSee Sold Price
Sold202326 Calculating Machine Switch Gears, c. 1930-5026 Calculating Machine Switch Gears, c. 1930-50 Demonstration models, 20 in Triumph Werke display case, 6 mounted on chrome stands. 26 Schaltkörper von Rechenmaschinen, um 1930-50 DemonstrationsmSee Sold Price
Sold2023Alpina Calculating Machine, 1961Alpina Calculating Machine, 1961 Alpina-Werke in Kaufbeuren, Germany. No. 6887, rare and final model of the stepped-drum calculator, with scarce base, good original condition. Serial no. 6887. - VerySee Sold Price
Sold2023Ideal Calculator, c. 1910Ideal Calculator, c. 1910 Export model of the "Archimedes Mod. A”, manual German brass stepped-drum calculating machine for all 4 arithmetical operations, by Glashütter RechenmaschinenfabriSee Sold Price
Sold202113 Calculating Machines13 Calculating Machines 1) Calco, c. 1922, spoked-wheel calculator by Nordisk Regnemaskinefabrik, Danmark, 9, 8 and 13 digits, missing crank, mechanism sticks. - 2) Contex model A, 1945 onwards, DanisSee Sold Price
Sold2023Triumphator Type I Calculator, c. 1914Triumphator Type I Calculator, c. 1914 No. 5370, Triumphator-Werk in Leipzig-Mölkau, large spoked-wheel calculating machine with 9, 8 and 13 digits. - Literature: Martin, p. 154. - Rare model! ReSee Sold Price
Sold2022Collection of Physical Demonstration Models and Technical DevicesCollection of Physical Demonstration Models and Technical Devices 1) Carbon arc lamp, demonstration model by John Browning, London, original lacquered brass, 2 graphite electrodes, one height-adjustabSee Sold Price
Sold2017Tesla 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
Sold2018Bell Telephone Demonstration Model, c. 1900Bell Telephone Demonstration Model, c. 1900 Manufacturer: E. Leybold's Nachfolger, Coeln-Rhein. Open-works telephone model for demonstrating the mechanism, on mahogany base, very good original conditSee Sold Price
Sold2015Electrophysical Demonstration Model, c. 1890Electrophysical Demonstration Model, c. 1890 France, marked "HRFA", mahogany, thick-walled glass container (fixed to the base), 6 electric connections, 2 coils, 2 electrodes inside of the glass, one sSee Sold Price
Sold2022Demonstration Model of the Single-Cylinder Steam Engine "Lady Margaret"Demonstration Model of the Single-Cylinder Steam Engine "Lady Margaret" Hand-cranked museum model, polished steel, brass and cast metal, mahogany-lagged cylinder Ø 3 1/5 in., crosshead guide in lSee Sold Price
Sold2023Demonstration Model of an Early Electric Motor, 1890Demonstration Model of an Early Electric Motor, 1890 To demonstrate the windings of an armature, on turned wood base, height 15 in. Demonstrationsmodell eines frühen Elektromotors, 1890 Zur DarstSee Sold Price
Sold2015Zoetrope (Demonstration Model)Zoetrope (Demonstration Model) Home-built large demonstration zoetrope, wooden base, drum Ø 11 ¾ in., crank drive, with 5 strips. Zoetrope (Demonstrations-Modell) Großes Demonstrations-Zoetrope ausSee Sold Price
Sold20236 Typewriters Keyboard Demonstration Models6 Typewriters Keyboard Demonstration Models 1) Torpedo, wall-mounted model, with indication of the angle degree in 4 steps. - 2) 3 x Adler, table models, with key, lever and platen, 2 different modelsSee Sold Price
Sold2019Demonstration Model 4-Stroke EngineCountertop teaching tool. Works all the way. Made by Hohm. Measures 15" tall.See Sold Price
Sold20174 Demonstration Model Electric Motors, c. 19104 Demonstration Model Electric Motors, c. 1910 Various models and constructions, height up to 7 in., untested. 4 Demonstrationsmodelle Elektromotoren, um 1910 Unterschiedliche Bauformen und KonstruSee Sold Price
Sold2016English Telegraph Demonstration Model, 1902English Telegraph Demonstration Model, 1902 Dated 1902; consisting of key, relay and sounder; on mahogany stained base, size 13 x 7 in. An excellent exhibition item. Englisches Telegraphen-DemonstratiSee Sold Price
Sold20236 Typewriter Keyboard Demonstration Models6 Typewriter Keyboard Demonstration Models Official factory models. 1) Mercedes, table model, with key and lever. - 2) Erika, Seidel & Naumann, table model, with key and lever. - 3) Triumph, table modSee Sold Price
Sold2019A Painted Metal Piston Generator Demonstration ModelA Painted Metal Piston Generator Demonstration Model Second Half 20th Century Property from a Midwest CollectorSee Sold Price
Sold2022Demonstration Model of an Early Carbon Grain Microphone, c. 1900Demonstration Model of an Early Carbon Grain Microphone, c. 1900 With series resistor and switch, wood base stamped with no. 188937. Demonstrationsmodell eines frühen Kohle-körnermikrophons,See Sold Price
Sold20183 American Steam-Engine Demonstration Models, c. 19103 American Steam-Engine Demonstration Models, c. 1910 1) Cast-iron model of a railroad locomotive engine, reversible, with Stephenson steering, hand-cranked, width 18 ¼ in. - 2) Steam motor, casSee Sold Price
Sold20234 Typewriter Keyboard Demonstration Models4 Typewriter Keyboard Demonstration Models 1) Torpedo 6, table model, type-lever mechanism, with four angle indicators, back with description, official factory model. - 2) Wall model "Wagenaufzug" toSee Sold Price
Sold20235 Typewriter Demonstration Models5 Typewriter Demonstration Models 1) Olympia, electric, partial cutaway model, with motor, carriage and parts of the mechanism. - 2) Adler, working model with 5 keys, tabulator and keys for the carriaSee Sold Price
Jun 04DOYLE Auctioneers & AppraisersLouis XVI Gilt and Patinated-Bronze and White Marble Figural Mantel Clock Michel-Francois Piolaine,$7,500(1 bid)
Jun 06DOYLE Auctioneers & AppraisersPAIR OF SEVRES BISCUIT PORCELAIN FIGURES, ‘LA BERGERE ASSISE’ AND ‘LE PORTEUR DE$1,000
Will Sullivan Auction Co.Circa 1980 Winchester Xpert Model 96 (26.5" M/IC), 20 Ga., O/U, SN - K249864$950(19 bids)
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Echoes of Glory International Military Auction HouseWinchester Model 12 12 Gauge Pump-action Shotgun FFL Required: 1691173 (APL1)$180(13 bids)
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