Handicraft for handy boys; : practical plans for work and play with many ideas for earning money, (1911)
Hall, A. Neely (Albert Neely), b. 1883, Hall, Norman P., ill · Boston, : Lothrop, Lee & Shepard · leaf 295
manner as shown in Fig. 300 and wired up as shown inFig. 325 or Fig. 326, according to which form of detectoris used. With either receiving set you should, be ableto hear commercial companies for a distance of a hundredmiles, with the proper aerial, and all amateur stations inyour vicinity. The… … To MAST OP OTHER SupPOBt Kev --I X BATTERY10 ORV CELLS IN SERlES-PARALLiL Receiving Set Transmitting Set Fig. 326. — Complete Wirino; Plan — when a Microphone Detector is used. purchased, as they are too complex to make. The out-fit consists of an mduction-coil (spark-coir), spark-gap,battery, key,…
Woodwork · Toys · Amusements
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