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6 Physical Demonstration Models, c. 1910 First Image

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6 Physical Demonstration Models, c. 1910 First Image

6 Physical Demonstration Models, c. 1910

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6 Physical Demonstration Models, c. 1910 (1 of 1)

6 Physical Demonstration Models, c. 1910 6 Physical Demonstration Models, c. 1910 1) 2 Leyden jars, height 15 and 20 ½ in. – 2) Discharger, with 2 ebonite handles and hinge. – And: 3) 3 conductors on glass pillars, one by Robert Droste

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2 Physical Demonstration Models with 9 Geissler Tubes, (1 of 3)

2 Physical Demonstration Models with 9 Geissler Tubes,2 Physical Demonstration Models with 9 Geissler Tubes, c. 1910 1) Stand with turning star and 3 tubes with uranium spirals. – And: 2) Isolated stand with 6 tubes of different shape and color, 2 of t

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4 Physical Demonstration Models, c. 1910 (1 of 1)

4 Physical Demonstration Models, c. 1910 4 Physical Demonstration Models, c. 1910 1) Reflection and refraction apparatus by "Max Kohl, Chemnitz". – 2) Filament lamp on wooden stand. – 3) Voltmeter by "Radiguet à Paris", brass. – And:

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2 Physical Demonstration Models, c. 1910 (1 of 1)

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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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Large Electro-Magnetic Motor with Rotating Geissler (1 of 1)

Large Electro-Magnetic Motor with Rotating Geissler Large Electro-Magnetic Motor with Rotating Geissler Tube, c. 1910 Physical demonstration model, height 18 ¼ in., for tubes of up to 15 3/4 in. length, brass and steel, on walnut base, later tube, ve

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Electric Motor with 10 Geissler Tubes, c. 1910 (1 of 3)

Electric Motor with 10 Geissler Tubes, c. 1910 Electric Motor with 10 Geissler Tubes, c. 1910 Physical demonstration model with rotating Geissler tubes, on brass pillar and walnut base, height 7 ½ in., with 10 tubes of various shapes and colors.

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Ampère Table, c. 1910 (1 of 1)

Ampère Table, c. 1910 Ampère Table, c. 1910 Physical demonstration model, used for experiments on the relationship between magnetic fields and electric currents, originally with mercury filling, with 2 plaques: "Instrumen

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Electromagnetic Motor with Geissler Tube, c. 1900 (1 of 1)

Electromagnetic Motor with Geissler Tube, c. 1900 Electromagnetic Motor with Geissler Tube, c. 1900 Physical demonstration model, for tubes up to 6 in., overall height 8 in. Elektromagnetischer Motor mit Geißler'scher Röhre, um 1900 Physikalisches

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Group of Physical Demonstration Models, c. 1900 (1 of 5)

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4 Interesting Physical Demonstration Models, c. 1900 (1 of 3)

4 Interesting Physical Demonstration Models, c. 1900 4 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:

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3 American Steam-Engine Demonstration Models, c. 1910 (1 of 1)

3 American Steam-Engine Demonstration Models, c. 1910 3 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, cas

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3 Electro-Physical Demonstration Models, c. 1915 (1 of 1)

3 Electro-Physical Demonstration Models, c. 1915 3 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 b

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4 Physical Demonstration Tubes, c. 1910 (1 of 1)

4 Physical Demonstration Tubes, c. 1910 4 Physical Demonstration Tubes, c. 1910 1) Crookes tube, for demonstrating a magnetic altering the direction of radiant matter, length 13 1/3 in. – 2) Tubular magnet coil, height 10 1/5 in. – And:

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4 Demonstration Model Electric Motors, c. 1910 (1 of 1)

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Group of Vacuum Tubes, c. 1915 (1 of 1)

Group of Vacuum Tubes, c. 1915 Group 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 uranium

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Tellurium and Lunarium by Ernst Schotte, Berlin, c. 1890 (1 of 4)

Tellurium and Lunarium by Ernst Schotte, Berlin, c. 1890 Tellurium and Lunarium by Ernst Schotte, Berlin, c. 1890 Physical demonstration model, 1:163 million scale, bronzed cast metal and brass, with hand-turned mechanism, the sun as a candle without reflec

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Tellurium and Lunarium by Jan Felkl, Prague, c. 1880 (1 of 1)

Tellurium and Lunarium by Jan Felkl, Prague, c. 1880 Tellurium and Lunarium by Jan Felkl, Prague, c. 1880 Physical demonstration model, signed on the earth globe: "Die Erde, Prag bei J. Felkl, No. 1", bronzed cast metal and lacquered brass, 2 1/3 in. pl

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Tellurium and Lunarium by Ernst Schotte, Berlin, c. 1890 (1 of 3)

Tellurium and Lunarium by Ernst Schotte, Berlin, c. 1890 Tellurium and Lunarium by Ernst Schotte, Berlin, c. 1890 Physical demonstration model, 1:163 million scale, bronzed cast metal and brass, with hand-turned mechanism, the sun as a candle with reflector

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Electro-Magnetic Motor with Rotating Geissler Tube, c. 1890 (1 of 1)

Electro-Magnetic Motor with Rotating Geissler Tube, c. 1890 Electro-Magnetic Motor with Rotating Geissler Tube, c. 1890 Physical demonstration model, two electro-magnets, on brass pillar, with wood and brass holder and original Geissler tube, for creating a da

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Electro-Magnetic Motor with Rotating Geissler Tube, c. (1 of 1)

Electro-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 rotieren

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Electro-Magnetic Motor with Rotating Geissler Tube, c. (1 of 1)

Electro-Magnetic Motor with Rotating Geissler Tube, c.Electro-Magnetic Motor with Rotating Geissler Tube, c. 1890 Physical demonstration model, two electro-magnets, on wood pillar, with wood and brass holder and original Geissler tube, for creating a daz

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Ampère Table, c. 1900 (1 of 1)

Ampère Table, c. 1900 Ampère Table, c. 1900 Physical demonstration model, used for experiments on the relationship between magnetic fields and electric currents, probably France, with pole changer, overall height 15 3/4 i

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Winter's Pattern Electrostatic Machine, c. 1860 (1 of 2)

Winter's Pattern Electrostatic Machine, c. 1860 Winter's Pattern Electrostatic Machine, c. 1860 Physical demonstration model by W.J. Rohrbeck, J.F. Luhme & Co. in Berlin, no. 133, a friction machine of the design introduced by Georg Winter, Vienna.

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