The description and use of a new astronomical instrument - for taking altitudes of the sun and stars at sea, without an horizon; together with an easy and sure method of observing the eclipses of Jupiter's satellites, or any other phoenomenon of the like kind, on ship-board

Förlag	År	Ort	Om boken	ISBN
printed for G. Strahan, W. Meadows, and J. Clarke, C. Rivington, W. Innys and R. Manby and 7 others in London	1735	England, London	32p.,plate 4⁰.