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Gratitude for gift of JH's Cape Results, not yet received. Send copy for [St. Andrews] University through Smith, Elder & Co., booksellers to the university. Concurs with JH on names for asteroids.
Received Dr. [T. R.] Robinson's memorial to John Russell. Believes six-foot reflector could have been obtained as easily as a three-foot reflector.
Asks DB to write a paragraph explaining the novelty of the photographic process of '[Andrew?] Ross and [Thomas?] Thomson' as distinct from [Nicéphore] Niépce's albuminous process.
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Is sending an unpublished pamphlet on dioptric lights and would be glad of his opinions as he is claiming public recognition.
Thanks for his letter regarding the dioptric lights. Gives his own views as to their importance.
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Has heard that he has been suffering from the cramp and suggests a few remedies that he himself has found beneficial.
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