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Correspondence on instruments, 1853 - 1854

 File
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.

Dates

  • 1853 - 1854

Conditions Governing Access

Unless restrictions apply, the collection is open for consultation by researchers using the Manuscripts Reading Room at Cambridge University Library. For further details on conditions governing access please contact mss@lib.cam.ac.uk. Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (www.lib.cam.ac.uk).

Extent

1 archive box(es) (1 box)

Language of Materials

English

The UK Archival Thesaurus has been integrated with our catalogue, thanks to Kings College London and the AIM25 project for their support with this.