242 



HISTORY OF ASTRONOMY. 



ever manufactured. This was subsequently ordered to 

 be mounted, and was purchased for $9437. The instru- 

 ment arrived in Cincinnati in February, 1845. In 

 November, 1843, the corner-stone of the observatory 



CINCINNATI TELEBOOPB. 



was laid by the venerable John Quincy Adams. The 

 building is 80 feet long and 30 broad. Its front presents 

 a basement and two stories ; while in the center the build- 



