The Progress of Arc Projection Efficiency

P. R. Bassett

THE illumination on the screen from a motion picture projector is dependent mainly on two things: the source of light and the method of utilizing the light from this source. This statement sounds, off hand, as though it gave opportunity for limitless discussion and tabulation of numerous light sources and optical arrangements; but a glance at the history of motion picture projection shows quite the opposite.

Print ISSN
Published
1924-05
Content type
Original Research
DOI
10.5594/jj00038