Traffic control for pedestrian crossings, by G. H. Davis
Traffic control by light-ray : the first system of its kind. A new method of controlling road traffic by beams of light broken by pedestrian and vehicles : details of the automated system introduced in St Helier Avenue in Morden, Surrey. A broken beam operates the control lights, the top one marked Don't Cross and the lower one Cross Now
Picture No
10719748
Media ID
46096690
Size
4017px x 6135px
(4.6MB)
Credit
© Illustrated London News Ltd/Mary Evans
Source
Illustration by George Horace Davis in The Illustrated London News', 11 April 1936, page 635
Date
1936
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Automated Automatic Beam Beams Controlling Crossings Helier Horace Morden Pedestrian
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