Excerpt from Publications of the Lick Observatory, 1913, Vol. 7
Parts I, 2 and 3 of this volume were completed and printed in the fall of 1902. A number of separates were distributed by the Students' Observatory at that time. Parts 4, 5 and 6 were completed in May of 1905, Spring of 1906, and March of I907, respectively, but on account of pressure of work in the State Printing Office at Sacramento the last of these parts did not come off the press until the spring Of 1909. Unfortunately, since the material for the completion of the volume was then ready and the prospects for having the remainder printed with out delay seemed bright, no separates Of Parts 4 to 6 were distributed at the proper time. The manuscript of Part 7 and practically also of Part 9, with which as Part 8 it was originally intended to conclude the volume was ready to be printed in April, 1909, but owing to the lack of University funds at the State Print ing Office the printing of these papers was unavoidably delayed. It, therefore, seemed expedient to extend the scope of the volume so as to include the material which in the mean time had become available, as Parts 8 and 10, and to add the tables at the end of Part 7.
It may be of interest to point out that the opportunities for research are greatly limited in this department by our extensive duties of instruction, but this disadvantage is offset to some extent by the voluntary assistance given by graduate students in the numerical work incident to the investigations contained in these pages, particularly in the construction of tables and determination of orbits. The orbits included in Parts 8 and 10 as typical examples of the Short Methods form only a fraction of those derived with the assistance Of students, mostly in connection with the regular courses Of instruction.
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