3 
Magnitude of the eclipse (sun’s diameter = 1) 0*293, on 
the sun’s southern limb. 
Angle, from north pole, of first contact 120° Howards the 
Angle, from vertex, of first contact 1 53° ) west 
for direct image. 
The situation of the point of first contact may be familiarly 
illustrated in the following manner. If w r e suppose a Victoria 
shilling to represent the sun, the moon will appear first to 
touch it on the right side near the bottom, at the letter D. 
PHOTOGRAPHICAL SECTION. 
October 5th, 1 865. 
J. P. Joule, LL.D., F.R.S., Vice-President of the Section, 
in the Chair. 
Messrs. Coote and Rogerson exhibited a series of very 
fine pantascopic photographs of scenes in Switzerland, taken 
by M. Adolphe Braun, of Dornach. Each picture was about 
twenty-one inches in length, and the angle of view was 
stated to be one hundred and twenty degrees. 
Mr. A. Brothers, F.R.. A.S., exhibited an interesting series 
of photographs, taken during the eclipse of the moon, on 
the evening of Wednesday, October 4th. Commencing 
at 8.45, when the moon was nearly full, the negatives, twenty 
in number, were taken at intervals of about 12 minutes 
until 12.45, and they show the progress of the eclipse 
throughout. The effect of the penumbral shadow of the 
earth is distinctly visible on the negative taken at 9.15, and also 
on the one taken at 12.32. An attempt was made during the 
middle of the eclipse to obtain the photographic image of the 
entire surface of the moon ; but it was found that the portion 
