Electricity for everybody; its nature and uses explained (1895)
Atkinson, Philip · New York, The Century Co. · leaf 29
ectric energy, traversing it con-tinually from pole to pole. In order to make this field as strong as possible, andto distribute this influence just where it is wanted, twosoft iron pole-pieces are attached to the poles, as shown,which inclose a circular space in which is mounted, in afixed… … 16 ELECTRICITY FOR EVERYBODY. duction, which is similar to electric induction, in thenarrow air-space between the cylinder and pole-pieces.Within this space a coil of fine insulated copper wire,wound on a light copper frame, is mounted, as shown,
Electricity
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