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FILM: 9-10
Film is unusually dry or brittle 9; Film adheres in spots 9-10; Film adheres throughout its entire length 10.
FILM DURING PROJECTION: 11-13
Film pulls apart in the Projector 11-12; Film runs off sprocket damaging film 12-13; Film pulls apart where old style friction takeup is used 13; Film rips and tears while being projected 13.
FILM: (AFTER REWINDING) 16-18
Film shows tears and nicks 16; Film is unusually dirty and dusty after rewinding 16-17; "Rain" develops while running the film 17; "Rain" develops while rewinding 17-18.
FILM: (INSPECTION AFTER RUNNING) 14-15
Damage noted in film after the first run — in new film especially 14-15.
FLICKER: 100-102
Flicker shows when new screen has been installed 100-101; Flicker noticeable when amperage is increased 101; Flicker increases when size of picture is increased 101; Flicker noticeable with twowing shutter 101; Flicker is noticeable when projection speed is reduced 101-102.
FOCUS: 103-105
Focus is not sharp: Keystone effect is pronounced 103; Focus appears sharp from projection room, but is poor in parts of auditorium 103-104; Focus bad, out of focus, in-and-out effect 104-105.
FUSES: 19-22
Fuse blows out 19-20; New fuse blows after an interval 20; New fuse does not blow but the line remains dead 20-21; Fuses blow out when arc is struck (where 3 wire system is in use) 21 ; Fuse locating: Easy way to locate quickly in emergency 21-22; Fuses: Emergency measure when no fuse can be found 22.
HIGH INTENSITY LAMP: (MECHANICAL
TROUBLES) 31-35
H. I. Hand feed works with difficulty 31; H. I. Arcs between positive, negative and clamp 31; Arc current fails when using D. C. 31; H. I. Positive carbon fails to feed 32; General Electric H. I. 32-33; Powers H. I. (new type G-E) 33; Ashcraft automatic 33; All types 33-34; Positive carbon fails to rotate or turn in shield 34; General