256 HISTORY OF ASTRONOMY. 



These have been completely reduced, and were published 

 in 1855, under the title of " Annals of the Astronomical 

 Observatory of Harvard College, vol. I., part 2." These 

 two zones contain 5500 stars. The Messrs. Bond are 

 now carrying on simultaneously, and have nearly 

 completed, two zones from 20 to 40 minutes north de- 

 clination. 



The resources of this observatory have recently been 

 very much increased by the munificence of Edward B. 

 Phillips, a graduate of the University in the class of 1845. 

 Mr. Phillips died in 1848, and bequeathed to the observa- 

 tory $100,000 as a perpetual fund, the interest to be ap- 

 plied annually to the payment of the salaries of the ob- 

 servers, or for instruments, or a library for the use of the 

 observatory, at the discretion of the corporation of the 

 college, who are made the trustees of the fund. This sum 

 was paid to the college by Mr. Phillips's executors in 

 September, 1849. 



SHARON OBSERVATORY. 



Sharon observatory is a private establishment belong- 

 ing to the late Mr. John Jackson, situated near Darby, 

 about seven miles west of Philadelphia. It was erected 

 in 1845, is 17 feet square on the outside, and rises to the 

 height of 34 feet. At five feet from the top, two strong 

 beams are placed across the building, and support a cir- 

 cular platform of five feet diameter, on which the equa- 

 torial stands. The tower is surmounted by a conical 

 dome, which rests on four iron balls revolving in a circu- 



