The Royal Society has made available around 250,000 documents online, covering everything from climate observations, the history of colour, how to conduct electricity, and animals. Of particualar note to BPH readers is correspondence and images sent by William Henry Fox Talbot, Herschel, Claudet and others
You can access the online archive here. We have picked out some of the highlights:
Image: Unpublished paper, 'An account of some recent improvements in photography' by Henry Fox Talbot / ref number: AP/25/13 / date: 1841
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