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Correspondence regarding enquiries, 1915 - 1925

Reference Code: GBR/0180/RGO 8/105

Scope and Contents

Correspondence regarding observations and calculations provided by the Royal Observatory, comprised of enquiries from other observatories, astronomers, the Admiralty and the general public and the Observatory's replies:

Observations and calculations, 1915-1916, concerning the position of Polaris, Greenwich parallaxes, the position of the Moon, flexure determinations, times of sunset and errors of the Moon.

Observations and calculations, 1917-1925, concerning the position of Polaris; the declination, position, bearing, azimuth, mean error of longitude, passage, elevation and ascension of the Moon; the position, areas of sunspots, equinoxes and lighting-up times of the Sun; inter-stellar distances, declination, etc., of stars; and the position, declination and ascension of planets.


  • 1915 - 1925

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 Information about opening hours and obtaining a Cambridge University Library reader's ticket is available from the Library's website (


1 bundle(s) (1 bundle)

Language of Materials


Former / Other Reference


Finding aid date

2006-04-24 15:00:14+00:00

Includes index.

Repository Details

Part of the Cambridge University Library Repository

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.