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NOAA Photo Library Image - theb2220

Tautwire measuring machine. By trailing wire astern and counting revolutions, one can determine distances. Used to measure distance between floating hydrographic signals

Image ID: theb2220, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: New York Bight area
Photo Date: 1939
Credit: Chief Electronics Technician Angelo Ferrara, C&GS

Category: Charting/Navigation/Visual Signals/Floating/

High Resolution Photo Available

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Last Updated:
November 10, 2017