. Motion picture electricity. ils concern-ing electric lighting arrangement, and I, therefore, callyour attention to Fig. 43, which is a plan view of an or-dinary motion picture theater. The electric companys mains in this instance enter atthe front and the main switch box No. 1 is located inthe ticket booth, where there may also be located the nec-essary fuses and switches for the control of all circuitswithin and outside of the theater. Switch box No. 1 should contain two main switches;one of which is outside of the meter to shut off the entireelectric system. The second main switch shuts of
. Motion picture electricity. ils concern-ing electric lighting arrangement, and I, therefore, callyour attention to Fig. 43, which is a plan view of an or-dinary motion picture theater. The electric companys mains in this instance enter atthe front and the main switch box No. 1 is located inthe ticket booth, where there may also be located the nec-essary fuses and switches for the control of all circuitswithin and outside of the theater. Switch box No. 1 should contain two main switches;one of which is outside of the meter to shut off the entireelectric system. The second main switch shuts off alllamps but the exit and auditorium lamps. In addition tothese switches there are of course separate switches whichcontrol each set of lamps, for instance: One switch for the flaming arc lamps. One switch for the sign. One switch for lobby lamps. One switch for exit lamps. One switch for auditorium ceiling lamps. 86 MOTION PICTURE ELECTRICITY 0 © «o- -Qv> 0 0 o)(> ©>0- -Qv> 0 0 v>0- V a gti OPERATING ROOM. © BOOTH /? LOBBY Fig. 43 © —\7#6 MOTION PICTURE ELECTRICITY 87 One switch for auditorium side lamps and the pianolamp. One switch for each motion picture machine, stereop-ticon or spot-light circuit. One switch for the lamps in the operating room, ticketbooth and any other lamps for special purposes. There will also be one switch for supplying switch boxNo. 2 in the operating room, from which the ceiling lampsin the auditorium indicated by letter T can be switchedon and off by the operator, but to be connected in shuntwith another switch in the switch box No. i in the ticketbooth. The purpose of this arrangement is to enable themanager or ticket seller to switch on the auditorium lamps,in case the operator should neglect to throw his switchwhen an accident or fire occurs in the operating room. This scheme of double control of the ceiling lamps inthe auditorium is of great importance and ought to be ap-plied in all new theaters, and would be a good thi
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