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Wimshurst Machine and Experiment Box, c. 1910 1) Self-generating electrostatic machine of Wimshurst pattern, with 8 ¼ in. diameter vulcanite discs...
Group of Scientific and Technical Instruments Original Leyden jar, c. 1750. – Bottle cell, c.
Group of Scientific and Technical Instruments Original Leyden jar, c. 1750. – Bottle cell, c. 1890. – Cathode ray tube with shell-limestone, c. 19...
Physical Demonstration Models and 1 High-Voltage Transformer 1) Cross vacuum scale with 6 Geißler
Physical Demonstration Models and 1 High-Voltage Transformer 1) Cross vacuum scale with 6 Geißler tubes. – 2) Electric cup by "HAZ – Paris". – 3) ...
Wimshurst's Electrostatic Machine, c. 1920 Marked: "Philip Harris & Co. Ltd., Birmingham, England", a pair of contra-rotating discs with strips of...
Reference Books on Science, Technology, Inventions and Toys 1) "Physikalische Lehrstunden des
Reference Books on Science, Technology, Inventions and Toys 1) "Physikalische Lehrstunden des Herrn Nollets", 5th volume, leather-bound, Verlag We...
Coherer Demonstration Model, c. 1910 By "E. Leybold's Nachfolger, Cöln", coherer with tapper unit,
Coherer Demonstration Model, c. 1910 By "E. Leybold's Nachfolger, Cöln", coherer with tapper unit, length of the glass tube 9 ½ in., base 11 x 8 ¼...
Sullivan's Universal Marine Galvanometer, c. 1900 H.W. Sullivan, 19 Great Winchester St., London E.
Sullivan's Universal Marine Galvanometer, c. 1900 H.W. Sullivan, 19 Great Winchester St., London E.C., large mirror-galvanometer, no. 147, brass h...
Astatic Reflecting Galvanometer by Elliott Bros., c. 1895 Large precision electrical measuring
Astatic Reflecting Galvanometer by Elliott Bros., c. 1895 Large precision electrical measuring instrument developed by William Thomson, signed: "E...
Leclanché Battery Cell, c. 1900 Set of 3 cells, for 4,5 V, overall width 22 in. Condition: (2–
Leclanché Battery Cell, c. 1900 Set of 3 cells, for 4,5 V, overall width 22 in. Condition: (2–3/–) Zink-Braunstein-Zelle (Leclanché-Element), um ...
2 German Mirror Galvanometers, c. 1910 Precision measuring instruments. 1) Siemens & Halske,
2 German Mirror Galvanometers, c. 1910 Precision measuring instruments. 1) Siemens & Halske, height 15 in. – And: 2) Siemens & Schuckart, height 8...
Ramsden-Type Electrostatic Generator, c. 1860 Friction machine, 10 ¼-in. glass plate, hand-turned,
Ramsden-Type Electrostatic Generator, c. 1860 Friction machine, 10 ¼-in. glass plate, hand-turned, overall size 20 ½ x 9 x 15 ¾ in. Condition: (2–...
Large Geißler Tube, c. 1900 Filled with 3 different gases, length 31 ½ in. Condition: (2+/–)
Large Geißler Tube, c. 1900 Filled with 3 different gases, length 31 ½ in. Condition: (2+/–) Große Geißlersche Röhre, um 1900 Gefüllt mit 3 unter...
2 Cathode Ray Tubes Large demonstration models, height with base 16 ½ in., blown glass, 1 x bulb
2 Cathode Ray Tubes Large demonstration models, height with base 16 ½ in., blown glass, 1 x bulb with butterfly, 1 x bulb with bouquet, each with ...
French Experiment Box for Demonstrating Electricity, c. 1900 Expériences Electriques, with 2 wet
French Experiment Box for Demonstrating Electricity, c. 1900 Expériences Electriques, with 2 wet cell batteries, induction coil, 4 Geißler tubes, ...
Quadrant Electrometer based on William Thomson's Design, c. 1910 Highly sensitive voltmeter,
Quadrant Electrometer based on William Thomson's Design, c. 1910 Highly sensitive voltmeter, brass, heigt 15 2/5 in., on base with glass dome. Con...
5 Physical Demonstration Tubes 1) Radiometer on glass base, height 9 in. – 2) Crookes' apparatus for
5 Physical Demonstration Tubes 1) Radiometer on glass base, height 9 in. – 2) Crookes' apparatus for experiments on radiant matter, on stand, leng...
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