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:

1966-05-09

Pagination or Media Count:

30.0

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

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE