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Subject Source: UK Archival Thesaurus

Found in 4 Collections and/or Records:


Airy's Transit Circle: observation and reduction ledgers and associated papers, 1850 - 1982

Reference Code: GBR/0180/RGO 126
Scope and Contents

The items in this collection are both bound and unbound sets of the pre-printed forms which were used to record measurements of the transits of objects across the Greenwich Meridian and thus allow the accurate calculation of their position. Observations made on the Airy and Cooke Reversible Transit Circles were treated by the observers as a continuous sequence and the forms in later volumes are generally headed "Cooke Reversible Transit Circle".

Dates: 1850 - 1982
Conditions Governing Access: N.B. Some volumes series /1 and series /4 should be ordered 48 hours in advance due to their poor physical condition. Please see individual entries for details.

Greenwich Reduction Registers, 1835 - 1930

Reference Code: GBR/0180/RGO 127
Scope and Contents

These volumes contain standard forms to aid the reduction of planetary and some stellar observations in preparation for publication. A number of volumes are marked with the names of his assistants at the time such as John Glaisher and Hugh Breen. The material in sections 10-13 concerns stellar observations and, with the possible exception of section 13, appears to have been added at a later date.

Dates: 1835 - 1930
Conditions Governing Access: Many of these volumes are large and can be awkward to handle.

Greenwich Star Catalogues and Ledgers, predominantly 1840s-1910s

Reference Code: GBR/0180/RGO 129
Scope and Contents

These volumes contain a variety of standardised pro formas on which the reduction of stellar observations have been made. The forms seem to have been completed whilst loose and to have been bound up at a later date.

Dates: predominantly 1840s-1910s
Conditions Governing Access: N.B. PLEASE ORDER 48 HOURS IN ADVANCE. Some items in this collection are very large making them awkward to handle. Many also exhibit signs of red rot degradation. Requests for access may be directed to the Royal Greenwich Observatory Archivist by sending an email to Three items/ sets of items noted as additions in the manuscript draft catalogue (''New Constants for Uncatalogued Stars, Greenwich Twelve Year Catalogues of Stars, Annual Catalogues 1877-1886'') were not found on the shelf at cataloguing in 2011.

Papers of John Franklin-Adams, 1897 - 1909

Reference Code: GBR/0180/RGO 75
Scope and Contents

Two journals by Franklin-Adams recording his astronomical work from 1897, when he first established an observatory at his house, until 1909, thus covering his time spent mapping the southern heavens at the Royal Observatory, Cape of Good Hope (1902-1904).

Dates: 1897 - 1909
Conditions Governing Access: From the Management Group: 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 (

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