45 



No. 18, by Prof. Elias Loomis, at the Observatory of the Western 

 Reserve College, Ohio. Latitude 41° 14' 42" N. Longitude 5/i 

 25m 35s W. With a five feet equatorial, mounted on a stone pier 

 under a revolving dome, with yellow screen glass, power 150, nearly. 

 Astronomical clock regulated by a 30 inch transit circle by Simms. 

 Beginning 14A 27m 26.7s siderial time. 

 Other phases lost by clouds. 



Nos. 19 and 20, by J. Gummere and his son S. J. Gummere, at 

 the Haverford School Observatory, Chester County, Pa. Latitude 

 41° 1' 12" N. Longitude 5/t. \m. 16s. W. With two 3| feet teles- 

 copes by Tulley, with red screen glasses, powers 75, nearly. As- 

 tronomical clock regulated by a Dollond's portable transit instru- 

 ment. 



h 

 Beginning, .... 3 

 Formation of ring, - - 4 



Rupture of ring, - - - 4 

 End, ..... 5 

 Duration of eclipse, - - 2 



Do. of ring, - - 



Arch of faint light, with brush in centre, seen before the formation 

 of the ring. Arch seen after rupture, brush of light not recollected. 

 Formation and rupture of the ring, by broken portions of the sun's 

 border, several in number, not round like beads, but arched portions 

 of the ring. These continued several seconds, and then suddenly 

 united in the first instance, and separated in the last, without, how- 

 ever, exhibiting the dark lines figured by Bailey. 



Nos. 21 and 22, by Charles Wister and his son Caspar E. Wister, 

 at the Observatory of the former, Germantown. Latitude 40° 1' 59". 

 Longitude 2.7s in time west of the State House. With 2 J and 2 feet 

 Gregorian reflectors. Astronomical clock regulated by a 3 feet 

 transit instrument. 



m 

 12 



s 

 17.2 



30 



29.2 



34 



44.8 



44 



28.7 



32 



11.5 



4 



15.6 





C. Wister. 



c. 



E. Wister. 



A ^ 





h m 



s 



m s 



Beginning, 



3 12 



55.4 



3 



12 54.4 



Formation of ring, 



4 31 



9.4 



4 



31 8.4 



Rupture of ring, 



4 35 



18.4 



4 



35 18.4 



End, 



5 45 



8.4 



5 



45 7.4 



Duration of eclipse, 



2 32 



13.0 



2 



32 13.0 



Do. of ring, 



4 



9.0 





4 10.0 



