Undated miscellaneous memoranda concerning various aspects of astrographic work, including lists of guide stars and methods of measuring astrographic plates.
Undated memoranda concerning the reproduction of the astrographic chart and catalogue.
Undated manuscript of a progress diagram on the publication of astrographic charts.
Undated copy of the distribution list for astrographic charts.
Undated miscellaneous memoranda on various aspects of astrographic charts.
Unsigned memoranda on astrographic charts and the method of exposure of the plates, 1910.
Memoranda on the printing of the Greenwich Volumes, 1899.
Undated memoranda concerning aspects of astrographic charts, including numbers produced at each observatory on an enlarging camera and photographic plates.