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RGO Archives/RGO 16 contains:
1 Miscellaneous correspondence
2 Papers on the astronomical day
3 Correspondence with the Admiralty
4 Correspondence with the Admiralty
5 Correspondence with the Admiralty
6 Correspondence with the Hydrographer
7 Correspondence with the Hydrographer
8 Correspondence with the Royal Observatory
9 Correspondence with the Royal Observatory
10 Correspondence with the Royal Observatory
11 Correspondence on the 'Nautical Almanac'
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Papers of the Nautical Almanac Office

Title Papers on the astronomical day
Reference RGO 16/2
Covering Dates 1919–1970
Extent and Medium 1 envelope
Content and context

Papers concerning the change in reckoning of the astronomical day, including 'The Report of the Committee on the 24 Hour Method of Expressing Time', 1919; correspondence with the Hydrographer concerning documents; correspondence between D.H. Sadler and the Royal Astronomical Society; and handwritten notes by Sadler on the history and timetable of the proposed change.

Further information

Indexed

Index Terms
Time
Sadler, Donald Harry (1908-1987) astronomer
Royal Astronomical Society
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