2 Demonstration Electro-Motor Trains, 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

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

Group of Märklin Rails, Gauge 0, c. 1930 For electric trains, 2 electro-mechanical switches. 2 mechanical switches, 1 cross, 47 straight rails, 25 curved rails, 1 transformer, 1 connection rail, sev

Electro-Magnetic Motor for the Rotation of Geissler Tubes, c. 1915 Height 10 1/5 in., for tubes of up to 9 7/8 in. length, working motor. Elektromagnetischer Motor zur Rotation von Geißler'schen R�

5 Early Electric Motors, c. 1900 1) Ring armature motor, 9 ½ x 5 ¾ in. - 2) Electro-magnetic motor, in the style of a beam steam engine, 8 ¾ x 3 ¾ in. - And: 3) 3 motors with horseshoe magnets,

French Experiment Box for Demonstrating Electricity, c. 1910 Electricité, with 2 chromic acid cell batteries, induction coil, 2 Geissler tubes, magneto-electro motor with mount for tubes, 2 lamps

Made by A. C. Gilbert, one is c. 1914, the other c. 1915 - 1934. Very difficult to find. Condition: (Very Good). Dimensions: Each: 2 - 1/2" x 2 - 1/2" x 2 - 3/4".

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

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

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

Horn Gramophone, c. 1915 Probably Germany, light-wood case, Imperial mica reproducer (made in Germany), single-spring motor (working), large original lacquered metal horn, Ø 22 1/2 in., 10 in. turn

Märklin PLM Fast-Train Locomotive with Tender, c. 1920 Gauge I, no. H64/13021, class 4-6-2, 4-axle tender, hand-painted tin, electric motor drive (20 V, working), 2 headlamps, length 29 in. - An impr

O ga, painted cast iron, #2 loco, windup working, screw on key, motor stamped 1915, 11 tender, 50 baggage, 51 chair car, C7.

O ga, #2 cast iron loco, ca 1915, windup working, oxidation on motor & siderods, 328 tender, 1108 baggage, roof restored, 1107 Pullman, missing 1 coupler, C4-5.

O ga, 18214 CSX Dash 8-40 C diesel, dual motors, w/headlights & horn, w/cars 17306, 17305, 2 #52073, 2 #19282, orig boxes & inserts minor wear, C8.

'Automatic Bookkeeping Register, Serial No. 2, c. 1915 A "one-off" machine that won the Gold Medal at Panama-Pacific International Exposition in San Francisco. Manufactured by The Automatic Bookkeepin

All w/ short sleeves & cotton tulle: 1 c. 1910, short puff sleeves, pleated midriff, B 32", W 23", L 52"; 2 c. 1915 w/ double tierred skirts, B 32"-34", W 24.5", L 50"-56", (all 3 w/ stains, small hol

Watercolour signed AGHP (Arthur Henry Parker), 9 x 13 1/2"-C.1915.

Tesla 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.,

2 Electric Motors, c. 1920 1) Zeiss Ikon Dresden. 200-230 V, 1/5 hp, for driving projectors. - And: 2) Unmarked, 1 belt-drive, suitable for driving electric pianolas or orchestrions. 2 Elektromotoren,

8 different Cripple mining stock in groups of 5 each. Golden Cycle-2 different, c. 1915-34. Portland Gold, c. 1907-12. Pharmacist Gold, c. 1912. Anaconda Gold, c. 1899. Mary McKinney Mining, c. 1907.

2 Reflecting Galvanometers, c. 1915 1) With 2 sliding coils and scale, on polished wooden board with 3 adjustable feet, size 12 ½ x 6 ¼ x 11 2/5 in., with paper label: "Physikalisches Kabinett �

Battery of 2 Leyden Jars, c. 1915 Manufactured by Max Kohl, Chemnitz, in wood tray on 4 insulating porcelain legs, overall size 17 1/3 x 6 3/4 x 25 2/5 in. Leydener Flaschenbatterie, um 1915 Herste

2 Physical Demonstration Instruments, c. 1900 1) Aluminum plate electrometer by A. Pichler's Wwe, Vienna. Brass, height 10 ½ in. - And: 2) Ohmmeter by Chauvin & Arnoix, Paris. No. 696, in wood c