40 



Result adopted— Chronomeier No. 2557, fast of si- h. m. s. 

 dereal time for this station (at 15A. Win.) -f 1 38 51.42 



By comparison — Chronometer No. 141, was slow of 

 mean solar time for this station (at lO/i. Il7«. 

 mean time) - - - - - — 4 44.80 



24.th. 1859, June lOth. At the same Station. 

 Sidereal chronometer No. 2557, fast: 



Is^ Set. 

 By 14 observations on 7' Leonis, west h. m. s. 



(at 14^. 28m.) - - 1 39 17.98 



By 13 observations on y3 Cygni, east 



(at 14A. 52m.) - - 1 39 17.98 



\st Result — Chronometer No. 2557, 



fast, (at 14^. 40m.) - - 1 39 17.98 h. m. s. 



h 1 39 17.98 



2d. Set. 

 By 12 observations on ct, Lyroe, east 



(at 15A. 37m.) - - 1 39 18.46 



By 14 observations on a (or r2)Canum 



Venaticorum, west (at 16//. 05m.) 1 39 18.28 



2d Result— Chx'onomeWr No. 2557, 



fast (at 15/i. 51m.) - - 1 39 18.37 



f- 1 39 18.37 



M Set. 



By 24 observations on y Cygni, east 



(at 10//. 55m.) - - 1 39 18.62 



By 15 observations on e Bootis, west 



(at 17/i. 21m.) - - 1 39 18.40 



3(i Result — Chronom(>fer No. 2557, 



fast (at 17/t. 08m.) - - 1 39 18.51 



\- 1 39 18.51 



