Society of Motion Picture and Television Engineers - The Economics of Projector Lamps for Advertising Purposes

Author(s): E. W. Beggs
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 February 1934
Volume: 22
Page(s): 127 - 138
ISSN (Paper): 0097-5834
DOI: 10.5594/J07461
Regular:

Although the trend in projection lamp development has been toward high-intensity, short-life lamps, the need for a lamp that can be operated for long periods of time, such as in advertising... View More

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