The standard electrical dictionary : a popular encyclopaedia of words and terms used in the practice of electrical engineering (1898)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · London : Crosby Lockwood and Son · leaf 204
Fig. 139. Inductor Dynamo. Dynamo, Interior Pole. A dynamo with a ring armature, withfield magnet pole pieces which extend within the ring. 200 STANDARD KLBCTRICAL DICTIONARY. Dynamo, Iron Clad. A dynamo in which the iron of the fieldmagnet is of such shape as to enclose the field magnet coils as…
Electricity
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.