Hallberg, Josef Henrik, 1874- · New York city, The Moving picture world · leaf 239
. :32 MOTION PICTURE ELECTRICITY In the manufacture of gas engines the conditions arequite different. There are no less than two hundred andfifty concerns engaged. Not more than ten per cent, ofthese concerns turn out a strictly first-class product, and,unfortunately—for the user—the product of… … Fig. 122 sider carefully and take into account the quality of equip-ment and accessories that the manufacturer includes. Irefer to the switchboard and instruments, the ignition sys-tem, such as batteries and coils—or magneto, if that bethe system—tanks, tools, and so forth. MOTION PICTURE…
Motion picture theaters · Electric lighting
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