Volume of printed 'Forms No. 261' with handwritten entries for photographic plates nos 4990-5579, made with the 13-inch Astrographic Equatorial.

Column headings are: no. of photo, date, position of telescope, orient. of screw, observer (initials), R.A., Dec. North, Micrometer scale readings (R.A. and Dec.), clock times of exposures (begin, end, duration), barometer (external and internal therm.), plate and development, remarks (e.g. dark, good, duplicate, etc.), signature. Many plates are also marked 'Chart' or 'Cat' [Catalogue] in red. Includes plates taken of Eros and Nova Persei (1901). After Plate 309 there is a list of barometer and thermometer readings taken December 1900 (dated 1904).