A TREATISE OF PRACTICAL SURVEYING; WHICH 1S DEMONSTRATED FROM ITS FIRST PRINCIPLES. WHEREIN Every thing that is useful and curious in that Art, is PARTICULARLY, THREE NEW AND VERY CONCISE METHODS FOR DETERMINING The whole Mustrated with Copper-Plates. BY ROBERT GIBSON, TEACHER OF THE MATHEMATICS. THIRD NEW-YORK EDITION. WITH ALTERATIONS AND AMENDMENTS, ADAPTED TO THE USE OF AMERICAN SURVEYORS. NEW-YORK : PRINTED BY LEWIS NICHOLS, FOR EVERT DUYCKINCK, BOOKSELLER & STATIONER, No. 110 PEARL-STREET. |