Brown pendulum apparatus gravity meter.
Named for its inventor, Lt. E. J. Brown, C&GS.
Lt. Brown died in an automobile accident in 1935.
Image ID: theb1329, NOAA's Historic Coast & Geodetic Survey (C&GS) Collection
Photo Date: 1937
Credit: Association of Commissioned Officers
• High Resolution Photo Available
of the U.S. Department of Commerce, National Oceanic & Atmospheric
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April 30, 2013