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Description
The first Odessey Protractor.This instrument was used to plot intersecting ranges from two RAR stations.Invented while Herman Odessey attached to DISCOVERER.Variations of this instrument were used for plotting positions for over 60 years (Image credit: C&GS; Season's Report Odessey 1929-60)
Credit
C&GS; Season's Report Odessey 1929-60
Display Date
1929
Collection
Historic Coast & Geodetic Survey
Nautical Charting
Navigation
Radio Acoustic Ranging
Keywords
Charting
Navigation
Electronic
Radio-Acoustic Ranging