R BOTH AT SEA and LAND, Humbly Proposed to the Confideration of the PUBLICK. BY William Whifton, M. A. bridg. Humphry Ditton, late Mafter of the New Mathematick School in Chrift's Hofpital, Lon don. The SECOND EDITION: With great Additions, Corrections, and Improvements. LONDON: Printed for Mr. Whifton and Mrs. Ditton; and Sold by J. Roberts near the Oxford-Arms-Inn in Warwick-Lane. 1715. |