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St. Nicholas [serial] (1873)

Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 472

An illustration from St. Nicholas [serial], 1873, leaf 472
es; that is,one after another, the field-magnet beingwound with coarse wire, large enough to carrythe whole current. A dynamo made to beconnected in this way is called a series wounddynamo. Another way to make a dynamo is to use forthe field-magnet coils fine wire, through whichonly a small part of… … 7, is made, in which are placed, end to end, tworods of carbon of the same kind as that in thedynamo brushes. This carbon is first groundfine, then made into a soft paste, then moldedinto rods, and then baked hard. These carbon rods are attached to two brassrods, a short one below and a long one…

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