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![A view of the workings of Old Brass Brains, the tide prediction machine cgs02811.jpg A view of the workings of Old Brass Brains, the tide prediction machine](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02811.jpg?itok=mAhxNpLA)
Description
A view of the workings of Old Brass Brains, the tide prediction machine. Thismachine was used until 1960 when replaced by an early computer. (Image credit: RADM Paul A. Smith, C&GS; (dec.), WW II Collection; NOAA Central Library Historical Collections)
Credit
RADM Paul A. Smith, C&GS; (dec.), WW II Collection; NOAA Central Library Historical Collections
Display Date
1944 circa
Location
Washington, D.C., Department of Commerce Building
Collection
Historic Coast & Geodetic Survey