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 285
ibed first. A Good Receiving Outfit consists of one or a pair oftelephone receivers^ detector, tuning-coil, and condenser, towhich a potentiometer and a dry battery and a secondcondenser must be added when a detector of the micro-phone type is used. Of these The Telephone Receivers must be… … -TO TUN INC-Coil-Slideb TO-Detector bRTOBATTERV iNO POTENTIOMETEiy
Woodwork · Toys · Amusements
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