Robert Reid reports.
Scientists of the Hydraulic Research Station at Wallingford show how models are used to plot the action of water on the coastlines and river beds of the world.
(BBC recording)
(First shown in 1957)
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Robert Reid reports.
Scientists of the Hydraulic Research Station at Wallingford show how models are used to plot the action of water on the coastlines and river beds of the world.
(BBC recording)
(First shown in 1957)