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Large Dynamo-Electric Demonstration Machine, c. 1920 First Image

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Large Dynamo-Electric Demonstration Machine, c. 1920 First Image

Large Dynamo-Electric Demonstration Machine, c. 1920

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Large Dynamo-Electric Demonstration Machine, c. 1920 (1 of 2)

Large Dynamo-Electric Demonstration Machine, c. 1920 Large Dynamo-Electric Demonstration Machine, c. 1920 With maker's plaque: "Pleskot & Spol, Presna Mechanika, Praha". Handcrank-driven, large chain armature, on oak base, overall size 15 x 11 x 13 ¾

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2 Dynamo-Electric Machines, c. 1910 (1 of 1)

2 Dynamo-Electric Machines, c. 1910 2 Dynamo-Electric Machines, c. 1910 Physical demonstration models, 1 by Masquellier, Anvers, handcrank-driven, cast-iron wheels, on wooden boards, heights 12 ½ in. and 16 ½ in. 2 dynamoelektrische M

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Dynamo-Electric Machine, c. 1910 (1 of 1)

Dynamo-Electric Machine, c. 1910 Dynamo-Electric Machine, c. 1910 Manufacturer: "Pichler's Witwe & Sohn", Vienna, on wooden base, handcrank-operated. Hersteller: "Pichler's Witwe & Sohn, Wien", auf Grundbrett (23 x 24 cm), Handkurbel

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2 Electric Coffee Machines, c. 1920 (1 of 1)

2 Electric Coffee Machines, c. 1920 2 Electric Coffee Machines, c. 1920 Balance-controled steam pressure machines, automatic shut-off, 220 volts each. 1) H. Eicke, Berlin. Porcelain base and pot, brass burner and boiler. - And: 2) Unma

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Very Large Wimshurst's Electrostatic Machine, c. 1920 (1 of 2)

Very Large Wimshurst's Electrostatic Machine, c. 1920 Very Large Wimshurst's Electrostatic Machine, c. 1920 Manufacturer: H. Heustreu, Werkstätten, Precisions mechaniken & Optik, Kiel. A pair of contra-rotating discs with strips of tin foil on the rims

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4 Large Physical Demonstration Instruments, c. 1920 (1 of 4)

4 Large Physical Demonstration Instruments, c. 1920 4 Large Physical Demonstration Instruments, c. 1920 1) "Maltese Cross", cathode ray tube with aluminum cross inside the tube, designed to flip down, 12 ½ in. wide. - 2) Cathode ray tube according to

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4 Large Physical Demonstration Instruments, c. 1920 (1 of 4)

4 Large Physical Demonstration Instruments, c. 1920 4 Large Physical Demonstration Instruments, c. 1920 1) "Maltese Cross", cathode ray tube with aluminum cross inside the tube, designed to flip down, 12 ½ in. wide. - 2) Cathode ray tube according to

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4 Large Physical Demonstration Instruments, c. 1920 (1 of 3)

4 Large Physical Demonstration Instruments, c. 1920 4 Large Physical Demonstration Instruments, c. 1920 1) "Maltese Cross", cathode ray tube with aluminum cross inside the tube, designed to flip down, 11 ¾ in. wide. - 2) Cathode ray tube according to

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Woman Engineer operating large British Grinding (1 of 1)

Woman Engineer operating large British Grinding Woman Engineer operating large British Grinding Machine. C1920. Very good contrast & tonality. Photograph by Keystone View Company. 8 x 6 in.

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Large Belgian Machine Made Tapestry, c. 1920, depi (1 of 1)

Large Belgian Machine Made Tapestry, c. 1920, depi Large Belgian Machine Made Tapestry, c. 1920, depicting a scene from the Middle Ages, H.- 72 in., W.- 53 in.

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3 Teaching Precision Volt- and Ampermeters, c. 1920 (1 of 1)

3 Teaching Precision Volt- and Ampermeters, c. 1920 3 Teaching Precision Volt- and Ampermeters, c. 1920 Large demonstration models in wood cases. 1) Max Kohl, Chemnitz. Height 13 1/3 in. - 2) Griffin & Tatlock, Manchester. Height 17 1/3 in. - And: 3)

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Lot of Pharmaceuticals and Medical Devices, c. 1920 (1 of 3)

Lot of Pharmaceuticals and Medical Devices, c. 1920 Lot of Pharmaceuticals and Medical Devices, c. 1920 1)"Magneto Electric Machine", used to create stimulating currents, complete in walnut case, working. - And: 2) Pharmacist's press, cast-iron, with

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Holtz's Influence Machine and English Resistance (1 of 2)

Holtz's Influence Machine and English Resistance Holtz's Influence Machine and English Resistance Bridge, c. 1920 1) Large influence machine after Holtz, 2 parallel-facing hard rubber discs, Ø 14 1/5 and 15 ¾ in. the smaller of them rotatable, han

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Burroughs Class 1 Style 6 Adding Machine, c. 1920 (1 of 1)

Burroughs Class 1 Style 6 Adding Machine, c. 1920 Burroughs Class 1 Style 6 Adding Machine, c. 1920 No. 6-946705, electric motor, 220 V, working, for the German market, beveled front glass, with gilt lettering "Glogowski & Co.". Rechenmaschine Burr

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2 Physical Demonstration Tubes, c. 1920 (1 of 1)

2 Physical Demonstration Tubes, c. 1920 2 Physical Demonstration Tubes, c. 1920 1) Large Geissler tube, with 2 colored liquids, height with stand 15 in. - And: 2) Hittorf spiral vacuum tube, on turned wood stand, height 11 ¾ in., rare and

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159. A LARGE TIN ADVERTISING SIGN FOR SINGER SEWING (1 of 1)

159. A LARGE TIN ADVERTISING SIGN FOR SINGER SEWING 159. A LARGE TIN ADVERTISING SIGN FOR SINGER SEWING MACHINES. American, c.1920. Embossed with a woman dressed in 1920’s garb in front of a machine. Restored. 39” x 27”.

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2 Electric Motors, c. 1920 (1 of 1)

2 Electric Motors, c. 1920 2 Electric Motors, c. 1920 Physical demonstration models. 1) Motor for direct, alternating and three-phase current, manufactured by "Physikalische Werkstätten, Göttingen", also useable as converter.

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Group of Physical Demonstration Models, c. 1920 (1 of 1)

Group of Physical Demonstration Models, c. 1920 Group 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) Galvan

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SINGER ELECTRIC SEWING MACHINE STILL BANK (1 of 5)

SINGER ELECTRIC SEWING MACHINE STILL BANK Germany, c. 1920's, made of tin and cast iron, key lock on side opens table top. 5 1/4" h.

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Group of Electrostatic Demonstration Models, c. 1920 (1 of 1)

Group of Electrostatic Demonstration Models, c. 1920 Group 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. –

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Bell-Type Telephone Demonstration Model, c. 1920 (1 of 2)

Bell-Type Telephone Demonstration Model, c. 1920 Bell-Type Telephone Demonstration Model, c. 1920 Manufacturer: Phywe, Göttingen, Germany. Butterstamp telephone, 2 cutaway sections, for speaking and listening, with electric magnet, height 6 ¾ in.

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A Gilt Bronze Figure of Benjamin Frank (1 of 0)

A Gilt Bronze Figure of Benjamin Frank A Gilt Bronze Figure of Benjamin Franklin , 20th c., the seated figure in a pensive pose, beside a large electrostatic demonstration machine, mounted on black, marble base, mounted as lamp, height 13

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"Großes Demonstrationsmodell Dynamo, 1880" (1 of 1)

"Großes Demonstrationsmodell Dynamo, 1880""Dynamo-Electric Machine Hand-crank operated demonstration model, unmarked, iron frame on oak baseboard (12 1/4 x 11 1/2 in.), per-manent magnet composed of 16 leaves, fully working, original conditio

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"Großer Bahnhofs-Schokoladen- und -Süßwarenautoma (1 of 1)

"Großer Bahnhofs-Schokoladen- und -Süßwarenautoma "Large German Station Vending Machine ""ADE"" For chocolate and sweets, c. 1920. Iron case, made by ""Automaten-Manufaktur, Frankfurt, Germany"". Coin-operated, with enameled signs, drawer's handles o

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