BY THE LATE
GEORGE ADAMS,
MATHEMATICAL INSTRUMENT MAKER TO HIS MAJESTY, &c.



THE SECOND EDITION,
WITH CONSIDERABLE ADDITIONS AND IMPROVEMENTS, BY
FREDERICK KANMACHER, F. L. S.



LONDON:
PRINTED BY DILLON AND KEATING,
FOR THE EDITOR; AND FOR W. AND S. JONES, HOLBORN.
MDCCXCVIII.