Mr. Disney of the Tides and Currents Division instructing trainee from the
Philippine Coast and Geodetic Survey on the operation of tide-prediction
machine no. 2, "Old Brass Brains."
Image ID: cgs01639, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Location: Washington, D.C.
Photo Date: 1947 Circa
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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