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Hind, John Russell (1823-1895) astronomer
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Draft autograph letter signed to Simon Newcomb

Proper comparison of Hansen's and Delaunay's equations of Longitude, Latitude and Parallax [of the moon] much needed. Description of such comparisons as already exist. JCA's own parallax tables. Tables of Moon's Ephemeris might be obtained from Hind: JCA will enquire. Hill's computation of the perturbations of Jupiter and Saturn very worthy.

Adams, John Couch (1819-1892) astronomer

Draft autograph letter to J.R. Hind

Incomplete. Recipient not identified but see JRH to JCA 30 Sep.1846 9/23/3. Acknowledging news of the discovery of the new planet [Neptune, observed by Galle and JRH]

Adams, John Couch (1819-1892) astronomer

Letter signed to J.C. Adams

Lunar theory. Possibility of Nautical Almanac Offices in Washington and London co-operating in calculation of Lunar Ephemeris. JCA's influence with Mr. Hind requested. Mr Hill on Jupiter and Saturn. Mercury.

Newcomb, Simon (1835-1909) astronomer

Typed copy of letter to J.R. Hind

Calculation of places of Jupiter and Saturn from LeVerrier's tables. Letter or extract of letter transcribed for MacAlister's biography.

Adams, John Couch (1819-1892) astronomer

Typed copy of letter to J.R. Hind

Comparison of LeVerrier's and Bouvard's tables of Saturn. Letter or extract of letter transcribed for MacAlister's biography.

Adams, John Couch (1819-1892) astronomer

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