Tunzelmann, George William von, 1856- · New York, Scribner & Welford · leaf 184
nds of apiano played in a room, inwhich there was also an openwindow, at the opposite sideof the street. On another occa-sion I succeeded in obtaining \an exceptionally clear and pure /reproduction of the voices of;four boys singing in unison ina room in which the trans-^-^mitter was placed. When… … ] 7 2 ELECTRICITY IN MODERN LIEE. for practical work, as in addition to its requiring separatevessels to act as reservoir, and to receive the waste liquidrespectively, it requires careful adjustment whenever it is tobe used. The inventor has recently devised an apparatus(shown in Fig. 57) which…
Electric industries · Electricity
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