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 #:
000213
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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MAINTENANCE AND INSPECTION 193 dicated above, for the speed range desired before attempting to adjust the speed to an exact point by means of the control dial on the motor. M . Connection Diagram Connection diagram T-3870180 will be found in the envelope in the back cover of the book provided by the manufacturer. N. R. C. A .-Photophone Service Representative If further servicing is necessary, the R. C. A.-Photophone service representative should be consulted. METER READING TABLE JACK DESIGNATION MEANING SCALE ACTUAL READING VALUE ILBXi Lamp current (amp.) on proj. B, multiplying factor 1 4.8 to 5.25 Amp. 4.8 to 5.25 ILAXi Lamp current (amp.) on proj. A, multiplying factor 1 4.8 to 5.25 Amp. 4.8 to 5.25 IP1X1 Plate current (milliamp.) on tube 1, multiplying factor 1 3.3 to 4.5 Milliamp. 3.3 to 4.5 IP2X1 Plate current (milliamp.) on tube 2, multiplying factor 1 0.3 to 0.95 Milliamp. 0.3 to 0.95 IP3X5 Plate current (milliamp.) on tube 3, multiplying factor 5 2-5 to 5. Milliamp. 12.5 to 25 EC12X1 Grid (bias) voltage on tubes 1 and 2, multiplying factor 1 9to 9.5 Volts 9 to 95 EC3X5 Grid (bias) voltage on tube 3, multiplying factor 5 6 to 6.4 Volts 30 to 32