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):

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

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE