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