Royal Institution Christmas Lecture - Hartridge
Christmas lectures for children at the Royal Institution: Professor Hamilton Hartridge who lectured on Colours, and How To See Them, showing a cat's-eye telescope, 1946
Picture No
12688814
Media ID
46134232
Size
5196px x 4074px
(2.9MB)
Credit
© Illustrated London News Ltd/Mary Evans
Source
Photograph in The Illustrated London News', 4th January 1947, page 19
Date
1946
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