Amateur talking pictures and recording (1933)

Record Details:

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SOUND-ON-DISC EQUIPMENT 129 is held back by a clamp No. 39, Fig. 62, before the turntable unit is folded upwards. The Pacent apparatus is capable of showing pictures at 24 pictures per second and 16 t ■ » ■isIF* Fig. 63c. Pacext Equipment — Projector Side 6. Upper Rewind Belt 7. Film Rewind Knob 13. Upper Film Spool 14. Lower Film S|XK)1 32. Film Thread Lamp 40. Projector Lamp Cable 33. .Motor Switch :5."). Volume Control 34. Projection Lamp Switch pictures per second, with or without synchronous discs turning at speeds at both 33 J and 78 r.p.m. Either projector or turntable unit amplifier and loud speaker can, if necessary, be used separately. The gear shift knob No. 37 in Fig. 63a is used for changing projector speed from 24 to 16 frames or pictures per second