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 297
ill be enough, and this amount costs about25 cents. A piece of a i^-inch curtain- or rug-pole 8inches long is of ample size for the cylinder. Wind the cylinder with a layer of No. 24 bare German-silver wire, separating the turns with thread wound inbetween as directed for the bare-wire tuner (Fig.… … Where Silicon Oetectob is usedA Potentiometer and Battebv ARE NOT NECESSARV-(SEE FlG.326) Receiving Set ooeeo Batterv 10 Drv Cells im Sep Transmitting Set Fig. 325. —Complete Wiring Plan—when a Silicon Detector is used. the coil a couple of coats of shellac, then make a rod andslider similar to the…
Woodwork · Toys · Amusements
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