Praises WT for invention of 'Kalotype' process; predicts it will be called 'Talbotype.' Notes excellence for photography of the weather during past year. Mentions possibility of cases of excessively rapid photographic change.
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Praises WT for invention of 'Kalotype' process; predicts it will be called 'Talbotype.' Notes excellence for photography of the weather during past year. Mentions possibility of cases of excessively rapid photographic change.
Congratulates WT on the calotype invention and the patent. Responds at some length to WT's concerns about the infinity of the universe. In postscript, provides a 4-page dialogue on the subject.
A further two dialogues elaborating on JH's earlier arguments [see JH's 1841-3-18] on the infinity/finitude of the universe.
Announces his invention of the 'calotype', and his application for a patent. Questions JH on his address to R.A.S., objecting to idea that universe is infinite.
Preparing his calotype paper for publication. Looking for a summer house, somewhere interesting to photograph.