33 



nth. 1859, March I9fh. At the same Staiion. 



Sidereal chronometer No. 255T, fast; h. m. s. 



By 7 observations on /3 Tauri, west (at 9h. I77n.) 1 29 01.60 



By 13 observations on u Bootis, east (at 9h. Sim.) 1 29 01.66 



Result — Chronometer No. 2557, fast of sidereal time 



for this station (at 9h. 24m. sidereal time) + 1 29 01.63 



By comparison — Chronometer No. 141, was slow of 

 mean solar time for this station (at 9h. Sojn. 

 mean time) - - - - - — 4 40.52 



I2th. 1859, March S\st. At the same Station. 



Sidereal chronometer^No. 2557, fast : 



Bv 8 observations on /3 Geminorum, west (at llh. h. m. s. 



mm.) - - - - - 1 30 30.08 



By 8 observations on « Coronce Borealis, east (at 



llh. 53m.) - - . . I 30 30.50 



Result — Chronometer No. 2557, fast of sidereal time 



for this station (at llh. 44m.) - + 1 30 30.29 



By comparison — Chronometer No. 141 was slow of 



mean solar time for this station (at 11//. 08m.) — 4 38.97 



13,'/i. 1859, April M. At the same Station. 



Sidereal chronometer No. 2557, fast : 



By 8 observations on /3 Geminorum, west (at 11//. h. m. s. 



11m.) . - - . - 1 30 49.87 



By 8 observations on x Coron^e Borealis, east (at 



11/t. 57m.) - - - - - 1 30 49.94 



Resvlt — Chronometer No. 2557, fast of sidereal time 



for this station (at llh. 34m.) - + 1 30 49.90 



By comparison — Chronometer No. 141, was slow of 

 mean solar time for this station (at 10//.. 46?//. 

 mean time) - - - . . — 4 38.70. 



VOL. VII. — E 



