2 Early Electric Motors, c. 19001) Electromagnetic motor after to Froment, stamped "Made in France", with 2 electric magnets, on mahogany base, 4 ...

Spark Coil with Vacuum Scale, c. 1920Ruhmkorff coil, length 7 ¼ in., with 5 vacuum tubes after design by Cross (0,01, 0,1, 0,3, 4, 30), overall he...

3 Early Electric Motors, c. 19001) Electromagnetic motor after Froment, 2 electric magnets, on mahogany base, 5 1/10 x 3 ¾ in. - And: 2) 2 AC moto...

2 Early Swiss Electric Motors1) Jürg Zitt, Zürich. Type MSM2, 220 V, with flat belt-pulley, c. 1930. - And: 2) Ateliers H. Cuénod S.A., Genève. Ty...

2 Electric Motors, c. 19201) Zeiss Ikon Dresden. 200-230 V, 1/5 hp, for driving projectors. - And: 2) Unmarked, 1 belt-drive, suitable for driving...

"Roitel" Motor, c. 1910French AC motor, model II, no. IX, 3 armatures, cast-iron flywheel Ø 5 9/10 in., on mahogany base, 5 ½ x 4 in.Zustand: (3+/...

Western Electric Dynamotor, c. 1895Type P1/6, cast-iron base, commutator for DC operation and slip rings for AC operation, primary coil 230 V, sec...

Early French Magnetic Motor, c. 1870Electromagnetic motor, for the rotation of Geissler tubes, height 8 ¾ in.Zustand: (2-3/-)Früher französischer ...