*XE e 714 -'W57N
Ditton, Humphrey, 16075-1714, joint author. A new method.
Whiston, William, 1667-1752.
A new method for discovering the longitude both at sea and land, humbly proposed to the consideration of the publick. By William Whis- ton ... and Humphry Ditton ...
London: Printed for John Phillips, at the Black Bull in Cornhill. 171).
78 pey 11. illus. (diagrs.) lfem Ex libris (armorial bookplate): George Tollet.