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Reducing Heating In High-Speed CinematographyInfrared-absorbing and infrared-reflecting glass filters simple and effective means for reducing rise in temperature during high-speed motion-picture photography. "Hot-mirror" and "cold-mirror" configurations, employed in projection of images, helps prevent excessive heating of scenes by powerful lamps used in high-speed photography.
Document ID
19890000353
Document Type
Other - NASA Tech Brief
Authors
Slater, Howard A. (NASA Lewis Research Center, Cleveland, OH.)
Date Acquired
August 14, 2013
Publication Date
July 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 7
ISSN: 0145-319X
Subject Category
PHYSICAL SCIENCES
Report/Patent Number
LEW-14798
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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