3G ANNUAL RECORD OF SCIENCE AND INDUSTRY. 



First, the personnel of the observatory ; 



Second, its principal instruments ; 



'Third, the subjects of observation to which attention has 

 been devoted during the past year; 



Fourth, those which will be taken up during the coming 

 year; and 



Fifth, the principal publications of the year. 



To secure a fuller response to these inquiries it was sug- 

 gested that a systematic presentation of the information in 

 question, as derived from all the principal observatories, 

 would serve the purpose of a permanent record in the ab- 

 sence of any journal in the United States specially devoted 

 to such subjects. It was intended that one such circular 

 should reach every observatory, public or private, in the 

 United States. If any have been omitted, it lias been by 

 inadvertence, and notice of such omissions is desired by the 

 editor.* 



The various replies to this circular follow in the alphabet- 

 ical order of cities, and are given unchanged, except that oc- 

 casionally material elsewhere accessible has been omitted to 

 gain space. 



Dudley Observatory, Albany, N. Y. 



Professor Lewis Boss, Director. 



For some time previous to July, 1876, the astronomical office of 

 the observatory had beeu vacant. At that date astronomical work 

 was resumed, with a limited personal staff. 



During the past year this has consisted of the director, Lewis 

 Boss, and assistant, O. H. Landreth, with a janitor to care for the 

 buildings and grounds. 



The instrumental equipment of the observatory has received no 

 material alteration for many years. The principal features of these 

 instruments are described with more or less detail in Volume I. of 

 the "Annals of Dudley Observatory." A mere enumeration is all 

 that need be given here. 



The principal instruments are : 



* This circular was sent to the observatories at Chicago, Albany, Hast- 

 ings, Bethlehem, Amherst, Hartford, Cordoba, Pittsburgh, West Point, Vas- 

 sal- College, Clinton, Cambridge, New York, Cincinnati, Rochester, Williams- 

 town, Miildletown, Gettysburg, Hanover, Ann Arbor, Princeton, Quebec, 



etc, 



