A New 35-MM Projector with a New Light Source

Theodore Schaffers

The following paper discusses the use of a water-cooled high-pressure mercury lamp in a motion picture projector of new design. The factors involved in the construction of an illumination objective for the lamp, light flux and color, cooling system, and safety factors are described.

Print ISSN
Published
1945-03
Content type
Original Research
DOI
10.5594/J07980