Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 64
er circular piece can be regulated by turning the nut uponthe bolt. Wind the space between these two pieces with 12layers of No. 24 double cotton covered magnet wire. Repeatthis operation with the other bolt, thus forming two coils withthe bolts as cores. The strips of iron which were cut out are… … y FIG. 2 from one direction and then from the other, so that theslots will run in alternate directions. The finished magnet willthen look like the one shown in Fig. 2. Now remove the nutsfrom the end of the bolts, using great care not to disturb thewooden heads of the spools, and insert the ends of…
Electric apparatus and appliances · Electricity
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