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Papers on the Thompson 26-inch Equatorial Telescope, 1893 - 1899

 File
Reference Code: GBR/0180/RGO 7/38

Scope and Contents

Correspondence with the Admiralty concerning the acceptance of Sir H. Thompson's offer of a 26-inch reflecting telescope for £5000, 1894.

Correspondence with Sir H. Thompson concerning alterations to the 26-inch reflector and its transfer to the Royal Observatory, 1893-1899.

Copies of correspondence between Sir Howard Grubb and A.A. Common concerning alterations and tests relating to the 26-inch reflector, 1895-1899.

Correspondence with Troughton and Simms concerning the delivery of a set of scales, divided according to instructions from the Astronomer Royal, 1894-1898.

Correspondence with M. Henry, 1894.

Correspondence with F. McClean on the Thompson Equatorial, 1898.

Correspondence with 'The Times', 1897, including a copy of an article titled 'The New Telescope at Greenwich', 15 April 1897.

Various memoranda, 1897-1899:

1. Scales for the Thompson Equatorial

2. The Thompson Equatorial (1899)

3. Thompson Equatorial (1897).

4. Thompson Equatorial - comparison of controlling pendulum (1897).

5. 26-inch photographic object glass.

6. Thompson photo-equatorial.

7. Thompson Equatorial - measurement of the diameter of photographs of stars taken with the 26 inch.

8. 30-inch Cassegrain Reflector.

9. Thompson Equatorial - Cassegrain Reflector.

10. Photographic Spectroscope.

11. Thompson Equatorial - photographic equatorial.

12. Rough sketch of differential of the Thompson 26-inch driving clock.

13. Dewcap of 26-inch equatorial.

14. Rough sketch of the proposed adaptor for holding dark slides, prism, etc. on the 30-inch reflector.









































Dates

  • 1893 - 1899

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 volume(s) (1 volume)

Language of Materials

English

Former / Other Reference

C3

Finding aid date

2006-03-30 10:40:33+00:00

Includes index.

Creator

Repository Details

Part of the Cambridge University Library Repository

Contact:
Cambridge University Library
West Road
Cambridge CB3 9DR United Kingdom


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