OF TABLES AND FORMULÆ 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. BUREAU OF TOPOGRAPHICAL ENGINEERS, Washington, April 4, 1853. SIR: The edition of Topographical Papers, No. 3, a collection of Tables and Formulæ, etc., prepared by you in 1849, having become exhausted, and the great use of the collection being fully proved, the Hon. Secretary of War, appreciating its value, has authorized the printing of a new edition, with the corrections and additions which have been suggested by experience. You will give this your immediate attention. |