Handicraft for handy boys; practical plans for work and play, with many ideas for earning money (1911)
Hall, A. Neely (Albert Neely), b. 1883- · Boston, Lothrop, Lee & Shepard Co · leaf 295
a second condenser shouldbe set in between the detector and the switch (Fig. 326). If you have constructed the silicon detector first anddo not care to use any of the other forms described, itwill not be necessary to make A Potentiometer, but with a microphone detector youwill require one. Its… … Fig. 324. — A Home-made Potentiometer.(See Fig. 326.) be wound with German-silver wire instead of copper.This wire will not be expensive to buy, as about twoounces will be enough, and this amount costs about25 cents. A piece of a ij-inch curtain- or rug-pole 8inches long is of ample size for the…
Woodwork · Toys · Amusements
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