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Autograph letter signed to J.C. Adams

Has sent JCA a paper on the pink appendages to the Sun [observed during Solar eclipse of 1851], for the RAS meeting and Monthly Notices.

Babbage, Charles (1791-1871) mathematician

Autograph letter signed to J.C. Adams

Regrets J.C.A. cannot tell him how long the Uranus calculations took. Discusses explanation for sun spots as described by M. Decuppis in Comptes Rendus 1839.

Babbage, Charles (1791-1871) mathematician