Details of some of the hardware of wire sweep apparatus used by the Lake Survey.
Francis C. Shenehon(1861-1939) invented a version of the wire sweep
in approximately 1901while employed by the U.S. Lake Survey.
Image ID: theb4273, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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July 7, 2015