166 — Miscellanies. 
. m. s, 
Duration of eclipse, ‘ ‘ : ‘ 2.31 448 
Do. _ of ring, : ; 3 47.0 
* The phases of the ring are the — ee and perfect rupture, 
without reference to beads. No dark lines seen 
October 19, 1838.—The Committee on the solar eclipse of the 18th 
of September, made a further Report in part, comprising the following 
—— a 
No. 25, by F. R. Hassler, Esq., at Weasel Mountain, N. J., latitude 
40° 52' nae , approximate longitude 4h. 57m. 25.7s. W., being one of the 
stations of the coast survey, with telescopes of the large ‘theodolite, pow- 
ers 116 and 151 
lis. -™. Ss. 
First contact, 3 15 56.98 
Inner contact, 4 35 57.09 
, . . : 5 47 13.10 
‘Duration of eclipse, : 2 31 16.12 
Do. of ring, . $ 1.00 
From a drawing, accompanying Mr. ‘Hassler’ $s communication, it ap- 
pears that several broken portions of the ring, or beads of light, for @ 
second only, extended from cusp to cusp, presenting a most beautiful 
appearance. During the rest of the eclipse, except this single second, 
the cusps were dull and rounded off at the end. 
November 2, 1838.—The Committee on the solar eclipse of the 
18th of September, made a further Report in part, comprising the 
following observations :— 
Nos. 26 and 27. Observations = Professors Alexander and Heitry, 
at the house of the latter, (lat. 40° 20’ 50’ N., lon. 4h. 58m. 37.2s. W. 
of Greenwich, being 0.1s. in time v. of Nassau Hal],) Princeton Col- 
lege, New Jersey; with a five feet Fraunhofer, yellow screen glass 
power 60 for beginning and end, and 40 for the ring, and with a three 
and a half feet Dollond, dark red screen glass, power 80. 
ee h. ™m, Ss. 
Beginning, ~ 3 14 42.71 Henry. 
do. - 
- - 3 14 43.31 Alexander. 
_ Formation of ring, - 4 33 11.27 Both observers. 
Rupture of ring, - (not observed.) 
End, - - - - 5 46 38.54 Henry. 
do. - - - - 5 46 39.24 Alexander. 
Mean duration of eclipse, 2 88 
do. of ring, (not observed) less than tabular duration. — 
About two minutes before the formation of the ring, Prof. Henry 
saw, in the Dollond telescope with a red screen glass, an arch of faint 
light between the cusps, and shortly afterwards a brush of greater 
* 
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