Development of equipment for direct and remote indication; direct indication -- new electronically operated tide level indicators at Tilbury and Purfleet are sensitive to water pressure, and incorporate multilamp indicator of type used for railway main line route indication; remote indication -- radio-linked tide gages in Thames Estuary transmit series of electrical impulses from remote sites to Thames Navigation Service Building at Gravesend; proposed Shivering Sands Forts tide gage described.
Tide recording at port of London
Dock Harbour Authority
Dock and Harbour Authority ; 44 , n 516
1963
4 pages
Aufsatz (Zeitschrift)
Englisch
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Tide gauges for port of Basrah
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