Electrical engineer's pocket-book: a hand-book of useful data for electricians and electrical engineers (1901)
Foster, Horatio A. (Horatio Alvah), 1858-1913 · New York, D. Van Nostrand co.; London, E.& F.N. Spon, ltd. · leaf 662
a projecting stud at the back whichfits into a hole in a stout brass bridge, andis there secured by a set screw. The metalbridge is screwed to the cover of the trans-mitter case. The diaphragm, which is ofmetal, is secured to the cover, and is pro-vided with the usual clip and paddeddampening… … 12. Section of Solid-BackTransmitter. M, mouthpiece;D, diaphragm ; E, front elec-trode ; B, back electrode ; W,electrode chamber; P, metalbridge piece ; d, set screw ; m,micawasher;;j,threadedpinonfront electrode; e, rubber band;/, damper ; C, case ; E, cover. electrode, is connected. The rear…
Electrical engineering
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