Mathematical tracts on the lunar and planetary theories, the figure of the earth, precession and nutation, the calculus of variations, and the undulatory theory of optics.

MATHEMATICAL
TRACTS
ON
THE LUNAR AND PLANETARY THEORIES,
THE FIGURE OF THE EARTH,
PRECESSION AND NUTATION,
THE CALCULUS OF VARIATIONS,
AND
THE UNDULATORY THEORY OF OPTICS,
DESIGNED FOR THE USE OF STUDENTS IN THe, NIVEJEI
BY GEORGE BIDDELL AIRY, M.A.
ASTRONOMER ROYAL,
FORMERIY FELLOW OF TRINITY COLLEGE, AND LATE PLUMIAN PROFESSOR OF
ASTRONOMY AND EXPERIMENTAL PHILOSOPHY IN THE
UNIVERSITY OF CAMBRIDGE.
THIRD EDITION, CORRECTED AND IMPROVED.
CAMBRIDGE:
PRINTED AT THE UNIVERSITY PRESS;
PUBI1SHED BY J. & J. J. DEIGHTON, CAMBRIDGE;
AND
JOHN W. PARKER, LONDON.
M.DCCC.XLII.