Accession Number : AD0481934
Title : FOCUSING DEVICES FOR SEARCHLIGHT BEACONS.
Descriptive Note : Test rept.,
Corporate Author : COAST GUARD BALTIMORE MD FIELD TESTING AND DEVELOPMENT CENTER
Personal Author(s) : Naus, D. A.
Report Date : 09 MAY 1966
Pagination or Media Count : 30
Abstract : Two focusing devices, operating on the pinhole camera principle, were used to focus 24-in. and 36-in. searchlight beacons presently being used in Charleston Lighthouse. Using these devices a collimated, horizontal beam was obtained from each beacon. (Author)
Descriptors : *FOCUSING), (*BEACON LIGHTS, SEARCHLIGHTS, BEAMS(ELECTROMAGNETIC), PERFORMANCE(ENGINEERING), NAVIGATIONAL AIDS, INDICATOR LIGHTS, AIRPORTS, MANUFACTURING, REFLECTORS, SAFETY, IMAGES, INSTRUMENTATION, XENON LAMPS, LIGHTHOUSES, TEST EQUIPMENT.
Distribution Statement : APPROVED FOR PUBLIC RELEASE