Johnson, Manuel John, 1805-1859.
Manuel J. Johnson papers, 1832-1859.
Contribution to a volume of 'Original entries of the comparisons of various standard scales,' 1834-1836; 4 papers submitted to the Royal Astronomical Society, 1832, 1834, and n.d; 14 letters to its officers, 1843-1859; and 24 to the Revd R. Sheepshanks, 1839-1854.
Astronomer. Fellow of the Royal Society.
Scales (Weighing instruments) -- Research.
Sheepshanks, R., Rev.
Royal Astronomical Society
AIP-ICOS
Royal Greenwich Observatory Archives Department of Manuscripts and University Archives. Cambridge University Library, West Road, Cambridge CB3 9DR, England UK