No. 3.

Papers

relating to the duties of the Corps of

Topographical Engineers.

OF

TABLES AND FORMULE

USEFUL IN

SURVEYING,

GEODESY, AND PRACTICAL ASTRONOMY,

INCLUDING

ELEMENTS FOR THE PROJECTION OF MAPS.

PREPARED FOR THE USE OF THE

CORPS OF TOPOGRAPHICAL ENGINEERS,

BY

CAPTAIN T. J. LEE,

Topographical Engineers, U. S. Army.

SECOND EDITION, WITH ADDITIONS.

WASHINGTON:

TAYLOR & MAURY.

GIDEON AND CO., PRINTERS,

1853.