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NOAA Photo Library Image - theb2258

A schematic view of RAR and echo-sounding. Diagram in public information brochure

Image ID: theb2258, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1934
Credit: NOAA Central Library

Category: Charting/Navigation/Electronic/Radio-Acoustic Ranging/

• High Resolution Photo Available




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Last Updated: April 30, 2013