Easy electrical experiments and how to make them; (1918)
Dickinson, Leonard Perley, 1874- [from old catalog] · Chicago, F. J. Drake & co · leaf 157
ac, and then placed in a warm oven to thoroughlydry. A six section commutator is easily made by mounting apiece of brass tubing 1% inches in external diameter and1% inches long upon a wooden hub which may be driventightly upon the shaft. Before doing this, divide the sur-face of the brass tube into… … tions, sawing along the lines first drawn. The screws al-ready inserted hold sections in place. After sawing removeeach section and file off all sharp edges. If a lathe is avail-able, the surface of commutator should be turned downsmooth and circular, after sections are again in place. Connect the…
Electric apparatus and appliances · Electricity
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