PRACTICAL AND SPHERICAL

ASTRONOMY,

FOR THE USE CHIEFLY OF STUDENTS IN

THE UNIVERSITIES.

BY THE

REV. ROBERT MAIN, M.A., F.R.S., F.R.A.S.

RADCLIFFE OBSERVER AT OXFORD.

CAMBRIDGE:
DEIGHTON, BELL, AND CO.

LONDON: BELL AND DALDY.

1863.