67 
PHYSICAL AND MATHEMATICAL SECTION. 
November 8th, 1866. 
E. W. Binney, F.R.S., F.G.S., President of the Section, 
in the Chair. 
Mr. Baxendell, F.RA.S., read a paper entitled “ Observa- 
tions of the new Variable Star T Coronse.” (This paper was 
afterwards read at the Ordinary Meeting of the Society held 
November 27th, 1866. See page 35.) 
Mr. Brothers, F.RA.S., communicated an Appendix to 
his “ Catalogue of Binary Stars ” presented to the Section at 
its last meeting. 
December 6th, 1866. 
E. W. Binney, F.R.S., F.G.S., President of the Section, 
in the Chair. 
Mr. Heelis, F.R.A.S., exhibited some drawings of a 
Hydraulic Clock which he had made for the purpose of 
driving his Equatorial, [and described the nature of its action 
and adjustment, the principal feature being that of using 
the same water over and over again. 
Mr. Brothers, F.R.A.S., communicated the following 
observation of the occupation of Aldebaran, which took 
place on the 22nd ult. : 
Disappearance, l h 53 m 32*5 S local sidereal time. The star 
appeared projected on the moon’s limb for at least half a 
second, and then disappeared instantaneously. 
Position of the Observatory : Lat. 53° 27' 9" N ; Long. 
0 h 8 m 5P5 S . 
