This tide gauge, with float, was built in 1957 by Lea Recording Company Limited which was based in Manchester. The gauge is stored securely in its original box, which is approximately 80cm wide, 40cm long and 20cm tall. The box has a glass front cover, through which the various components of the gauge can be viewed. The cylindrical recording drum is approximately 20-30cm long and 20cm in diameter and is currently has not paper chart attached. The complex weight and counterbalance wire system is also on display, which allows the pen to move in relation to the bobbing of the gauges float. Tide gauge by Lea Recorder Co. Ltd. of Manchester 1957
Tide gauge, used by Isambard Kingdom Brunel, made to his own specification by the predecessor of Negretti & Zambra, Regent St., used during launch of "Great Eastern" and probably during the building of Royal Albert Bridge, Saltash. Tide gauge, used by Brunel
USCGS portable tide gauge by Bausch and Lomb, c.1924 USCGS portable tide gauge by Bausch and Lomb 1924
