Stock Photo - Jan. 01, 1969 - A 385ft long model of the Thames representing a 62-mile stretch from Teddington to Southend, which has been completed by the Ministry of Technology's Hydraulics Research Station at Didcot for the Greater London Council will be used for tests in a -40 million barrage or barrier plan to protect London from severe flooding. At a Press conference in Didcot yesterday, Mr. S. Dainty, the G.L.C.'s director of public health engineering, said the design of a flood protection plan is being treated by the Council as 'urgent'. Photo shows Electronic equipment being used to simulate tidal flows from Southend. Southend fills the middle distance of the picture. (Credit Image: © Keystone Press Agency/Keystone USA via ZUMAPRESS.com)