Sound motion pictures : from the laboratory to their presentation (1929)

Record Details:

Title:
Sound motion pictures : from the laboratory to their presentation
Date:
1929
Publisher:
Garden City : Doubleday, Doran & Company, Inc.
Volume:
Sound motion pictures : from the laboratory to their presentation
Leaf #:
000174
Language:
English
Subjects:
Motion Pictures, Motion pictures--Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
August 22, 2024
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iS4 SOUND MOTION PICTURES plugs in the jack marked ECX50 and adjust the field rheostat marked "Bias Generator,, until you obtain a reading of 5. Insert one of the instrument plugs in the jack marked ECX50, and adjust the field rheostat marked "Filament Generator" until you obtain a reading of 6.6. Insert one of the instrument plugs in the jack marked ILBXi and adjust the lamp rheostat so that a reading between 4.8 and 5.25 is obtained. Insert an instrument plug in the jack marked EB123X100 and adjust the field rheostat marked "Plate Generator" until it reads 5. When a reading of 5 is obtained, as above, a plug inserted in the jack marked EB4-13 X 100 will give a reading of 10. Adjust the IP Back Tubes and the IP Front Tubes meter readings to 0.325 by means of the rheostats marked "Back Tubes IP Control" and "Front Tubes IP Control." The charging rate as indicated on the Charge-Discharge meter should be 4 to 7.5 amperes. Throw the switches marked "LS" and the switch marked "Cones" on the sectionalizing panel to the "On" position, and the switch marked "Amp. No. 1" and "Amp. No. 2" to the correct position, depending upon the amplifier to be used. Plug the monitor loudspeaker in the "Monitor" plug of the amplifier to be used. Set the switches on the projectors marked " Fader" so that the projector that is not starting up is faded in. The projector faded in will be indicated by the red pilot lamp on the input panel. III. SHOW OPERATION A. Starting Projector: D. C. Motor Drive Set the switch marked "Speed Control" to "Normal." See to it that the dial at the end of the drive motor shaft is set to obtain the correct speed as given on the chart