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Correspondence on instruments, 1853 - 1854

Reference Code: GBR/0180/RGO 6/166

Scope and Contents

Correspondence on new techniques, requests for advice and new instruments. There are requests for transit circles from the Portuguese government, Upsala, Sweden, and Albany, U.S.A.; a description by Airy of the Greenwich transit circle; experiments with mercury and photography, including two early pictures of the Sun; improved sextants and clocks; a 'universal instrument'; and an account of the instruments used by the ancient Chinese astronomers. The correspondents include E. Dunkin, possibly I.K. Brunel, C. Pritchard, O.M. Mitchel, W. De La Rue, C.P. Smyth, M.J. Johnson, the Earl of Rosse and R.C. Carrington. There is also a photograph and drawings of an equatorial instrument.


  • Creation: 1853 - 1854


Conditions Governing Access

From the Management Group:

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1 archive box(es) (1 box)

Language of Materials