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Description
Railroad car couplers used to anchor RAR hydrophone.On the OCEANOGRAPHER (Image credit: Chief Electronics Technician Angelo Ferrara, C&GS;)
Credit
Chief Electronics Technician Angelo Ferrara, C&GS;
Display Date
1939
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
Radio Acoustic Ranging
Keywords
Charting
Navigation
Electronic
Radio-Acoustic Ranging