Miller, Kempster Blanchard, 1870-1933 · New York : McGraw publishing company · leaf 587
ompanies to mount the ringing and charging machines ona table or bench of wood with perhaps an iron framework. Such anarrangement is shown in Fig. 40(;, where two special telephonemotor generators and two ringing motor generators are mountedcompactly on a table. The primary of one of the ringing… … FIG. J07.-(.HARGING MOTOR GEXERATOR—DIRECT-CtRRENT MOTOR. closing; panels of wood, as shown, is fault}- in one respect; the tableand its inclosing panels serve to enhance any noise that may be madeby the machines, and for obvious reasons they should run as quietly
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