Autographic sounding machine apparatus mounted on U.S. Lake Survey
catamaran. In: "An Autographic Sounding Machine" by M. Meigs, 1922.
The Military Engineer, Volume XIV, No. 76, p. 199-201.
Image ID: cgs00894, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
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of the U.S. Department of Commerce, National Oceanic & Atmospheric
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