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Correspondence on instruments, 1838 - 1849

 File
Reference Code: GBR/0180/RGO 6/159

Scope and Contents

Correspondence concerning improved instruments, new techniques and inventions, and a proposed planetarium and cometarium. The new inventions include improved sextants and sea horizons; a micrometer; a paper on finding Greenwich Time, complete with a drawing; achromatic eyepieces; an improved quadrant; drawings of eye pieces; a heliotrope; and an illuminating process for telescopes. The correspondents include Sir B. Donkin, Sir C. Wood, Sir H.G. Ward, Sir W. Denison, J. Challis, C.B. Vignoles, B. Peirce, W.H. Smyth, the Earl of Rosse, J.F.W. Herschel, W.R. Dawes, Sir F. Beaufort and A. de Morgan. There are articles from 'The Times' on Sir J. South's telescope; 'The Daily Advertiser' and 'The Liverpool Times' on the Earl of Rosse's Telescope'; and 'The Athaeneum'. There are also catalogues of instruments, observations of Draconis with a zenith tube, and a map of Cardiff.

Dates

  • 1838 - 1849

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.