110 



PROCEEDINGS OF THE AMERICAN ACADEMY 



Moon Culminations, 



Observed at Dorchester with a Transit Instrument made hy Trough- 

 ton 8f Simms, having an Object-glass of two and three quarters 

 inches Diameter^ and forty-six inches Focus ; corrected for Col- 

 limation^ Levels and Azimuthal Deviation of the Transit Instru- 

 ment^ and for Clock Error and Rale on Sidereal Time. 



Lat. +42° 19' 17". Lon. West of Greenwich, 4h. 44 m. 17 s. 



