An elementary manual of radiotelegraphy and radiotelephony for students and operators (1916)
Fleming, J. A. (John Ambrose), Sir, 1849-1945 · London, Longmans, Green & co. · leaf 60
lled a 10-inch coil, meaning an induction coil which can producea spark 10 inches long hetween points or small halls attached tothe ends of its secondary circuit. Such a coil consists of aprimary circuit of thick wire, generally No. 12 S.W.G. in size,wound iu 300 or 400 turns on an iron core… … Fia. 4. primary cores or wind the primary coil in several distinct layers,the ends being brought out so as to combine them in different waysin parallel or in series This, however, is not so necessary inradiotelegraphy as in Eoutgen ray work. The resistance of the primary of a 10-inch coil made as…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
