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Inventory no. 73405 - Former Display Label

English MAGNETO-ELECTRIC MACHINE
c.1860

Ladd's pattern.
Unsigned.
Wooden base, brass frame, with five separate permanent circular magnets with shuttle type armature rotating between poles, and simple brass commutator connected to two clamp terminals on frame.
Ladd developed his generator (1856), incorporating Werner von Siemens' shuttle armature (1856) consisting of an iron cylinder with two deep grooves for the winding.

Bequest of Sir A. H. Church, F.R.S., 1915.

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