Observations made with the Cookson floating zenith telescope in the years 1927-1936 at the Royal observatory, Greenwich and the determination of the variation of latitude and the constant of nutation from observations in the years 1911-1936, under the direction of H. Spencer Jones

Out of Copyright

You may copy or order a copy through Copies Direct or use the online copy for research or study; for other uses Contact us for further information about copying.

Reason for copyright status:

Since 2009 [Created/Published Date + 70 Years]

Copyright status was determined using the following information:

Material type:

Literary, dramatic or musical work

Published status:

Published

Publication date:

1939

Copyright status may not be correct if data in the record is incomplete or inaccurate. Other access conditions may also apply. For more information please see: Copyright in library collections.