Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 49
ENTS. CHAP. XI —HOW TO MAKE A 1-20 H. P. MOTOR. WINDING (THE FIELD MAGNET. Having made the frame of the field magnet, the next thing isto wind the coils of wire upon the frame, which are to excitethe magnet. For this purpose there will be required four poundsof No. 16 double cotton covered magnet… … Fig of wire and are for the purpose of holding the wire in place.Smooth them off nicely with sand paper, and round the cornersa little. Unclamp the magnet frame from the iron block andclamp the two pieces forming one side firmly in a vise. In thisway they are firmly held in position until the…
Electric apparatus and appliances · Electricity
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