Society of Motion Picture and Television Engineers - Standardization of Projection Lamps

Author(s): E. W. Beggs
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 July 1932
Volume: 19
Page(s): 817 - 828
ISSN (Paper): 0097-5834
DOI: 10.5594/J05497
Regular:

One hundred and thirty types of picture projection lamps are today required to fill the demands placed on the lamp manufacturers. This large number of types, each being available in several... View More

Advertisement