95 



'Zd. 1859, January 2\st. Same Station. 

 Sidereal chronometer No. 2557, fast: 



1st Set. 

 By 13 observations on /3 Geminorum, h. m. s. 



east (at 4/i. 39m. 30s.) - - 1 06 23.07 



By 2 observations on se, Andromedse, 

 and also 10 observations on /3 An- 

 dromeda, both west (at 4//. 08m.) 1 06 22.84 



Ist Result — Chronometer fast (at 4A. 



- 54m.) ^ - - 1 06 22.95 h. m. 



+ 1 06 22.95 



2d Set. 

 By 5 observations on « Leonis, and 2 



observations on /3 Leonis, both east, 



(at Ih. 46m.) - - 1 06 23.62 



B)> 9 observations on cc Tauri, west 



(at Ih. 48m.) - - - 1 06 22.84 



2^ Result — Chronometer fast (at Ih. 



^Irn.) . . - 1 06 23.23 



+ 1 06 23.23 



Result adopted. — Chronometer No. 2557, fast of 

 Toledo sidereal time, (at Qh. 20m.) by giving 

 weight according to the number of observations 

 in each set, - - - - + 1 06 23.04 



By comparison — Chronometer No. 141, was slow of 

 mean solar time for this station (at 10^. 16m. 

 mean time) - - - - - — 20 50.38 



Sd. 1859, January 2^th. Same Station. 

 Sidereal chronometer No. 2557, fast; 

 By 10 observations on ^ Geminorum, east (at 3A. h. m. s. 



40m.) - - - - + 1 06 36.14 



By 10 observations on a. Andromedse, west (at 47i. 



03m.) - - - - + 1 06 36.10 



