Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 63
end of the boltjust close to the head. The distance between the centers of theseslots should be iTA inches. The cutting can be done with an 0I4pair of shears. There should be enough of these strips to forma pile about 3-16 inch high when tightly pressed together. Theseare shown at C in Fig. 1. Next… … c B Ltlju FIG.I pieces of wood are to form the heads for the spools of wire tobe wound upon the bolts which are to form the cores of anelectromagnet. Their appearance is shown at D in the figure. Slip two of the circular wooden pieces upon one of the bolts.Place one of them at a distance of 3-16…
Electric apparatus and appliances · Electricity
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