British Kinematography (1950)

Record Details:

Title:
British Kinematography
Date:
1950
Publisher:
London, British Kinematograph Society
Volume:
British Kinematography (1950)
Leaf #:
000146
Language:
English
Subjects:
Motion Pictures, Film Industry Technical Magazine
Collection:
Global Cinema, United Kingdom, and Hollywood Studio System
Format:
Periodicals
Contributor:
Media History Digital Library
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
March 21, 2024
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136 BRITISH KINEMATOGRAPHY Vol. 16, No. 4 R. R. BEARD FOR Studio Lighting Equipment 10 TRAFALGAR AVENUE Tel.: RODNEY 3136 London, S.E.15 Substandard Sound-on-Film Equipment can now be O IUI A [ f F R MORE EFFICIENT MORE REALISTIC JjMullard now offer designers of sub-standard Sound-onFilm equipment a new range of highly efficient miniature valves and photocells. Some outstanding features of these new valves are : — # Small size • Single-ended construction • Low microphony • Low hum level The new Milliard "Sound-on-Film" range comprises : — EF40 A.F. Pentode (Amplifier). ECC40 Double Triode (Phase Splitter, etc.) EL4I Output Pentode. EZ40 I.H. Full-wave Rectifier. 52CG, 55CG or the new miniature 90CG Photocells. Complete data is available on request. Milliard PRINCIPAL DATA Anode supply voltage Cathode current Max. dark current at 90V 1 Sensitivity Max. gas amplification factor Base 52CG 90 3 0.1 125 10 British 4-pin 55CG 90V 2(^A 0.IJM I25JJ.A/L 10 American Pee-Wee * Sensitivity measured with a lamp of colourtemperatu re 2,700 K and with a series resistor of I MQ Valves and Photocells for Amplifiers M U LLARD ELECTRONIC PRODUCTS LIMITED, CENTURY HOUSE, SHAETESBURY AVENUE, W.C.I MVT74 I