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![Informational display depicting tide data prediction, collection, anddissemination cgs02481.jpg Informational display depicting tide data prediction, collection, anddissemination](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_cgs02481.jpg?itok=17DDgbV8)
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https://www.noaa.gov/media/digital-library-photo/pl23cgs02481jpgDescription
Informational display depicting tide data prediction, collection, anddissemination. The dates on the tide tables indicate this was approximately thetime of the last use of Old Brass Brains, the mechanical tide predictionmachine shown on the left of the image. Digital technology would soon replaceuse of that machine. (Image credit: Collection of NOAA Center for Operational Oceanographic Products and Services)