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MANAGERS AND PROJECTIONISTS
How should the amplifier equipment be started? 1172
What must the projectionist do before starting a
show? 1174
Describe method of motoring or testing the records. . 1174
Describe method of marking records 1174
What should be done if 90-foot projection speed is to
be exceeded? 1175
Needles
Describe method of testing and sorting needles 1175
How should needles be graded? 1175
Tell how a needle examining board should be made. 1175 How may the small diameter needles be quickly
removed? 1176
Starting the Show
Name the various things to be examined before the show is started 1177
How would you mark the projector so the exact point at which the intermittent sprocket has ceased to move may be instantly determined? 1177
Describe method of placing record on turntable 1178
Should the projectionist ever attempt to slow up or stop the projector by holding the hand on turntable ? 1181
How fast does the Western Electric turntable rotate? 1181
Film Inspection Mechanism
Film inspection mechanism. 1183 to 1192
NonSynchronous Equipment
Non-synchronous equipment 1193 to 1196
Western Electric non-synchronous equipment. 1199 to 1204 Gates' non-synchronous devices 1204 to 1213
Push-Pull Amplification
Push-pull amplification — its meaning 1215 to 1217
Cue System
Score disc system of Cuing 1219 to 1222
Projection Room, The
The projection room 1223 to 1225
Theatre projection room of today 1227 to 1243
New Application in Sound Projection
Important application in sound projection 1245
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