99 



Mean Solar Chronometer No. 141, slow, of Toledo, mean solar 

 time (at 10^. 2lm. 405.5 mean time), 20m. 50s.54. 



Rate per mean solar day, + 05.082; or per mean solar hour, + 

 05.0034. 



1st. — Toledo signals recorded at both stations. 



1st Mean. — Electric signals sent from Toledo to Elyria, 



05 42.06 



2d. — Elyria signals recorded at both stations. 



Times of 



signals given at 



Elyria 



by sidereal 



Chronometer 



No. 2557. 



h. m. s. 

 8 14 45 

 8 17 45.5 



Times of 



Elyria 



signals as noted 



at Toledo 



by mean solar 



Chronometer 



No. 141. 



h. m. s. 

 10 51 34 

 10 54 34 



Toledo 



correct mean 



solar time 



of 



Elyria 



signals. 



Toledo 

 reduced 

 sidereal time 

 of 

 Elyria 

 siornals. 



Elyria 



correct 



sidereal time 



of 



Elyria 



signals. 



h. m. s. h. m. s. \ h. m. s. 



11 12 24.54 7 08 33.83 7 14 15.87 

 11 15 24.54 7 11 34.32 7 17 16.36 



Difference off 

 Longitude by 

 each signal. — 

 Elyria east of 

 the meridian of 

 Toledo. 



h. iiu s. 

 05 42.04 

 05 42.04 



2d Mean. — Electric signals sent from Elyria to Toledo, 

 1st Mean. — Electric signals sent from Toledo to Elyria, as 

 above ------- 



05 42.04 



05 42.06 



Result: — Elyria Observing Station east in longitude of Toledo 



observing Station, by a mean of the two sets of signals, — 05 42.05 



Longitude of Toledo observing station, — see No. IX., 



ante — 



+ 5 34 09.57 



Result — Longitude of Elyria observing station, west 



of the meridian of Greenwich, - -}- 5 28 27.52 



Equal, in arc, to - - - - 82° 06' 52".8 W. 



Latitude of this station, as before given, - 41° 22' 02".75 N. 



