Electronics package of sono-radio-buoy for RAR.
This instrument was developed by Almon Vincent on the GUIDE.
Forerunner of Anti-submarine warfare sonobuoys
Image ID: theb2261, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1936
Credit: C&GS Season's Report Hardy 1936-98
Category: Charting/Navigation/Electronic/Radio-Acoustic Ranging/
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
NOAA Central Library
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April 30, 2013