35 



By comparison — Chronometer No. 141 was slow of 



mean solar time for this station (at 97*. 00m. Ji. m. s. 

 nnean time) . . - - — 4 41.14 



16//j. 1859, April 29th. At the same Station. 



Sidereal chronometer No. 2557, fast: 



By 9 observations on s Boolis, east h. m. s, 



(at 11/t. 00m.) - - 1 34 05.38 



By 15 observations on a. Coronce Bo- 



realis, also east (at 11/?.. 48m.) 1 34 05.41 



By 24 observations on 2 East stars 



(atllA. 24m.) - - 1 34 05.40 h. m. s. 



h 1 34 05.40 



By 17 observations on /3 Geminorum, west (at llA. 



24m.) - . - - + 1 34 05.24 



Result — Chronometer No. 2557, fast of sidereal time 



for this station (at 11/?. 24m.) - + 1 34 05.32 



By comparison — Chronometer No. 141, was slow of 

 mean solar time for this station (at 8h. 54m. 

 mean time) - - - - - — 4 41.48 



17th. 1859, May I6th. At the same Station. 



Sidereal chronometer No. 2557, fast: 



By- 11 observations on ^ Geminorum, west (at 11/?. /?. m. s. 



41m.) - - - - - 1 36 14.61 



By 9 observations on a. Coronse Borealis, east (at 



12A. 00m.) - - - . - 1 36 15.19 



Result — Chronometer No. 2557, fast of sidereal time 



for this station (at 11/?. 50m.) - + 1 36 14.90 



By comparison — Chronometer No. 141, was slow of 

 mean solar time for this station (at 8^. l^m. 

 mean time) - - - - - — 4 41.43 



