INFRARED

Typed Letter Signed to G. K. Menzies, [Secretary,] Royal Society of Arts.

Author: 
Olaf Frederick Bloch [INFRARED PHOTOGRAPHY; ILFORD LIMITED]
Publication details: 
30 June 1933; on letterhead of 'ILFORD LIMITED | Manufacturers of Sensitised | Photographic Materials'.
£75.00

Anglo-Danish research chemist (died 1944), a pioneer of infrared photography. One page, quarto. Very good, though a bit grubby and with a few small staple holes. 'Will you kindly thank the Council of the Royal Society of Arts for the honour conferred upon me in awarding to me a silver medal for my paper on Infra-Red Photography.' He will be present at the 'opening meeting of the next session'. Signed 'Olaf Bloch'.

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