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x CONTENTS (Continued)
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ment is altered 136; Rheostat coil or grid burns out 136-137; Rheostat shows visible heating at one point of Coil or Grid 137; Rheostat overheats and does not operate properly 137-138; Rheostat fails to pass current 138-140.
SCREEN: 141-142
Screen not giving results up to previous performance 141-142.
SPARKING: 89-93
SPOTLIGHT: 143-144
Beam falls upon audience, causing annoyance and distraction 143; Ghost shows in spotlight beam 143; Rings and shadows show in spotlight beam 144; Poor lighting with spot 144.
STARTING TROUBLES: 71-75
Device fails to start when proper starting instructions are followed 71-72; Set operates but does not attain full speed 72; Motor revolves in wrong direction 72-74; Set does not pick up readily 74; Set does not deliver full voltage 74-75.
STEREOPTICON TROUBLES: (NOTICEABLE ON
THE SCREEN) 123-127
Stereopticon picture smudgy looking 123; Ghost in center of stereopticon picture 123; Yellow corners in stereopticon picture 124; Both pictures of dissolving stereopticon fail to be in register 124-126; Stereopticon device shows break in a condenser although projector does not 126; Shadow of carbons and (or) holders appears when using Reflector Arc for Stereopticon 126-127; Stereopticon slides crack excessively 127.
SWITCHES: 145
Switches heat, warm or hot to touch 145.
TRAVEL GHOST: 120-122
Travel ghost shows up 120; Travel ghost intermittently 121; Travel ghost pronounced 121; Travel ghost; Picture seems to crawl up on screen 121; Uneven light. Noticeable most on plain screen 121-122.
VOLTAGE: 94-96
Voltage fluctuates badly 94; Voltage does not build up as it should when set is started 94-96; Low Voltage continues 96; Voltage builds-up although set is running idle (Series arc equipment) 96.