28 



1st Result. By E. and W. Stars — Chronometer 



No. 2557, fast of sidereal time at this station (at /*. m. s. 

 19h. 44m.) - - - - - + 1 04 31.42 



2d Determination. By eqval altitudes of a, Cygni, observed 

 East and West. August \'2th. 



2d Result. By 14 pairs of eqval altitudes of a 

 Cygni: — Chronometer No. 2557, last of sidereal 

 time for this station (at 20//. 867/1. :3'-'.43&'. sidereal h. m. s. 

 time) - - - - - + 1 04 31.57 



1st Result, as above, by E. and W. Stars (at 197/. 



U?n.) . - . . - + 1 04 31.42 



Mean, or Result adopted. — Chronometer No. 2557, 

 fast of sidereal time for this station, August 12th, 



1858 (at 207^. 10m. sidereal) 



- + 1 04 31.49 



By comparison — Chronometer No. 141, was slow of 

 mean solar time the same night (at 10//. 45m. 

 mean time) . > . - - 



— 4 28.31 



