96 



Result — Chronometer No. 2557, fast of Toledo si- h. m. s. 

 dereal time (at 3//. 51m.) - - + 1 06 36.12 



By comparison — Chronometer No. 141, was slow of 

 mean solar time for this station (at Ih. 36m. 

 mean time) ..... 



20 58.04 



Ath. 1859, January 26th. Same Station. 

 Sidereal chronometer No. 2557, fast: 

 By 5 observations* on /3 Geminorum, east (at 3h. 



46m.) - - - - + 1 06 44.77 



By 13 observations on u Andromedse, west (at 4A. 



18m.) - . - - + 1 06 45.44 



Result — Chronometer No 2557, fast of Toledo si- 

 dereal lime (at 4/i. 02m.) - + 1 06 45.1 



By comparison — Chronometer No. 141, was slow of 

 mean solar time for this station (at Ih. 39771. 

 mean time) - - - - . _ 20 59.04 



\st. Rates of the Chronometers. 



The rates of the chronometers, between the 18th and 26th of Janu- 

 ary, 1859, are given below, for use in computing the longitudes of 

 Elyria, Cleveland, and Columbus, Ohio, with reference to the meri- 

 dian of our Toledo observing station, as follows, viz. — 



Rates of Sidereal Chronometer No. 2557. 



* The sky became suddenly clouded in the east, and no more observations 

 could be made in that direction, this night. 



