385 



VI. MADISON, THE CAPITAL OF WISCONSIN. 



On the 24t!i of June I went from Milwaukee to Madison, intendino- 

 to observe there in the evening, and, if possible, to exchange tele- 

 graphic signals with Chicago for determining the difference of longi- 

 tude. The night was, however, cloudy and rainy, and no observa- 

 tions could be made, either for the time or the latitude. 



On the 25th the weather remained somewhat cloudy, and was un- 

 settled until a late hour of the night; so much so, that no signals 

 could be passed by the telegraphic wires. The following observa- 

 tions were, however, made during three-fourths of an hour, at inter- 

 vals of clear sky, in the early part of the evening, for the time, and 

 after the weather had cleared, at a late period of the night, for the 

 approximate latitude, viz. 



1st. Observations for the Time. Station No. 1. 



At a point 95 feet = + 0".94 of latitude north of the parallel, and 

 175 feet = — O5.I6 of time east of the meridian of the centre of the 

 dome of the State Capitol. 



1858, June 2ijth. 



Sidereal chronometer No. 2557, fast: h. m. s. 



By 13 observations on a Lyra}, east (at loJi. 43m.) 1 OG 50.41 



By 15 observations on u Bootis, west (at 16^. 08m.) 1 06 50.43 



Result — Chronometer No. 2557, fast of sidereal time 



for this station (at 15/i. 5Gjn.) - + 1 OG 50.42 



2d. Observations for the Latitude of Station No. 1. Sarne Night. 



By 19 observed circum-meridian altitudes of ct Ophi- 

 uchi, south, . . - . - 



By 21 altitudes of ^ Ursse Minoris (Polaris) north, 



Restdt — Latitude of station No. 1 (approximate) 

 Reduction to the dome of the Capitol, 



Result — Latitude of the State Capitol at Madison, 

 Wisconsin (approximate), 



Owing to unfavourable weather, the only result of this visit to 

 Madison was the obtaining of the approximate latitude as above given. 



VOL. VI. — 3 Cr 



