Tide Predicting Machines

This Sunday (June 10th 2012) the BBC’s Coast series will focus on the tide around Britain. The programme ‘Riddle of the Tides‘ features several tide predicting machines formerly located at the National Oceanography Centre Liverpool’s old home in Bidston Observatory on the Wirral. These include the Doodson-Légé machine, which was designed by one of NOCL’s past Directors, Dr A.T. Doodson, and built by a Liverpool firm, Légé, in 1948/9.

Doodson-Légé Machine

Doodson-Légé Machine

Doodson used tide predicting machines to, among other things, help plan the D-Day landings.

The original technical drawings for the Doodson-Légé Machine were recently discovered in the archive of the National Oceanography Centre, Liverpool. These technical drawings have now been scanned and archived at BODC for safe keeping and future use.

Technical drawings for the Doodson-Légé Machine

Technical drawings for the Doodson-Légé Machine

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