STUDIES ON MUSEUMS AND KINDRED INSTITUTIONS. 



501 



wide. The central body of the building- contains a libraiy, a lecture 

 room, laboratories, photographic rooms, offices, etc. In the basement 

 also are similar rooms, as well as an excellently^ eciuipped workshop. 

 The power house is isolated from the observatory. 



Fig. 77— Univeri^ity of Chicago. Tlie great telescope at the Yerkes Observatory, 



Besides this the university has within its own grounds at Chicago 

 a small astronomical observatory for the instruction of beginners, and 

 about a mile and a half north of it in the city a second one, the Kenwood 

 Observatory, for the instruction of advanced students in physical and 

 practical astronomy and astrophysics, for which it is completely 



equipped. 



