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Challis, James (1803-1882) astronomer and physicist
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Autograph letter signed to J.C. Adams

Requests abstract of Breen's paper. The ideal next President of RAS. Requests popular explanation of differences between theoretical and actual elements of Neptune. Has set of observations of Neptune from Hartnup, suggests further ones from Challis. RS's own work: measuring thermometers.

Sheepshanks, Richard (1794-1855) astronomer

Autograph letter signed to J. Challis

Sends paper for publication by Camb. Phil. Soc. ["On the theory of the equilibrium of bodies in contact". Trans. Camb. Phil. Soc. Vol.6 (1838)]. On the physics of buttresses, piers, dykes etc. Comments on the state of modern physics.

Moseley, Henry (1801-1872) mathematician and writer on mechanics

Autograph letter signed to J. Challis

Invitation to visit Observatory at Ely, to advise on the dome. Object glass of the telescope was stolen from the maker before it was finished.

Selwyn, William (1806-1875) Church of England clergyman

Autograph letter signed to J. Challis

Request to return paper for publication by RAS promptly. Comments on Markree Metis Observations in current Monthly Notices. Keeping observations [CO?] for publication as a supplement to the Monthly Notices. Had sent best regards to JC via JCA.

Sheepshanks, Richard (1794-1855) astronomer

Autograph letter signed to J. Challis

English Observations to be omitted from next Monthly Notices of RAS on account of space. Report of [CO] Syndicate would benefit from additions. Encouraging Hartnup in meridian observations, especially planets and comets. Would like to see JCA in a University post; suggests Lowndean Professorship. Will be ready to print [on Neptune] in mid September: requires JC to provide observations.

Sheepshanks, Richard (1794-1855) astronomer

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