Lynde, Carleton John, b. 1872 · New York : Macmillan · leaf 253
Fio. 171. — Wireless sending apparatus.237 238 PHYSICS OF THE HOUSEHOLD … Aei-icil connected with a groupof wires suspended frominsulators attached to atall mast. This groupof wires is called theaerial. An electric sparkwhich appears to theeye to be one singlespark is really made upof from 10 to 30 sepa-rate sparks. This maybe shown by looking atthe image of a sparkin a…
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