Appendix V. 



REPORT OF THE WORK OF THE ASTROPHYSICAL OBSERVATORY FOR 

 THE YEAR ENDING JUNE 80, 1902. 



Sir: The kinds and amounts of the Observatory jiroperty are approximately as 

 follows: 



Buddings $6, 300 



Apparatus 33, 300 



Library and records 6, 000 



Total 45, 600 



During the past year the acquisitions wf i)roperty of tlie kind just enumerated have 

 l)een as follows: 



(a) Ajiparatus. — Astronomical and })hysica< apparatus has ]>een purchased at an 

 expenditure of $2,000. 



(b) Library and records. — Tlie library has been enlarged by the addition of jieriodi- 

 cals and books of reference at an expenditure of $200. Books and periodicals have 

 been bound at an expenditure of $250. Total for library, $450. 



The observatory inclosure, shown in Plates VI, VII, has been enlarged by the addi- 

 tion of 10 feet along its northern end so as to be now 155 by 77 and to include nearly 

 12,000 square feet, as against 11,000 square feet formerly. The photographic building 

 has l)een removed from a position west to a position north of the siderostat, and the 

 buildings and fence have been repainted. These alterations and repairs have been 

 made at an expenditure of $400. 



No losses of property have occ-urred. 



The Work of the Observatory. 



For convenience, the work of the Oliservatory will he descril)ed under the follow- 

 ing headings : 



1. Publications and niiscellaneous work. 



2. Progress of investigations. 



( 1) ]'i(Ji/ic(ttl<ins mid iri!xrrJhr)ir()i(>< irorJ:. 



In accordance with a resolution of the Senate of the United States," a report was 

 submitted by you at the meeting of Congress in December, showing the api)ropria- 

 tion.s expended, results reached, and present condition of the work of the Astro- 

 physical Observatory. This report consisted of a brief statement of the foundation, 

 aims, results, and present condition of the OVjservatory ; a copy of Vohnue I of its 

 Annals; a preliminary report of its eclipse expedition of 1900; and several state- 

 ments ^ by eminent foreign and domestic men of science, giving their views of the 



« Senate resolution of February 25, 1901. 



& As indicating the nature of these statements, I here give extracts from two of them : 



"I caii not deny myself the pleasure of congratulating you on the accomplishment 

 of this vast and important labor. When I think of what it must all have been, I am 

 lost in admiration at the work."— Sir G. G. Stokes. 



"To anyone who is conversant with the astronomical work done in recent years it 

 seems Vvdiolly unnecessary to testify to the immense value of the work done at the 



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