Spon, Ernest, Haldane, Robert, Lock, Charles G. Warnford (Charles George Warnford), 1853-1909 · London ; New York : E. & F.N. Spon · leaf 203
be- tween the case of the dia- ])hragm and the diaphragm itself, to control the superHu- ons vibrations and prevent re- sonance. The whole is placed upon a light support (Fig. 1127). The apparatus reproducing the words of the speaker (Fig. 128) is constructed on the same plan, but is of smaller… … ters, to obtain an outline in Kegbtering apparatus. relief which shall give in- tense sounds with a mini- cess, which Berliner calls tlie art of mum of nnnecessary noises. — (Zrt engraving the human voice with aqua- Nature. fortis, and which we call more simply Regulators. — An ingenious elec-…
Workshop recipes · Technology · Industrial arts
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
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