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 353
oscillatious hy the aid ofa continuous current arc formed between a rotating, carlxiu cathodeand a cooled copper anode in hydrocarbon gaa haii already beenfully described in Chapters III. and VII., wo need only here considerthe most recent niodilication of the apparatus. To ^et rid of thenecessity… … [Rrproduced from Jiltctrical Kngindtiiuj of ApriVlS, Ut08, by pcrmiitiun of itu Iro^iietori. Fig. 4. coal gas or hydrogen, so that methylated spirit is admitted drop bydrop into the chamber in which the arc burns by a form of sight-feed lubricator controlled by a hand or electro-magnetic valve…
Radio · Telegraph, Wireless · Telephone, Wireless
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
