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Description
A new type of hydrophone block for Radio Acoustic Ranging.On the GUIDE (Image credit: C&GS; Season's Report Luce 1925)
Credit
C&GS; Season's Report Luce 1925
Display Date
1925
Location
San Clemente Island area, California
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
Radio Acoustic Ranging
Keywords
Charting
Navigation
Electronic
Radio-Acoustic Ranging