Electronics package of sono-radio-buoy for RAR.This instrument was developed by Almon Vincent on the GUIDE.Forerunner of Anti-submarine warfare sonobuoys
3/20/2019 12:32:35 PM
Date: 1936
Credit: C&GS; Season's Report Hardy 1936-98
Subject: Charting
Subject: Navigation
Subject: Electronic
Subject: Radio-Acoustic Ranging