An attempt to discover the longitude at sea, pursuant to what is proposed in a late act of Parliament. By Francis Haldanby, Esq;

London : printed Anno Domini, 1714. And sold by John Morphew, [1714]

[6],10p.,table ; 80.

ESTC N15103

Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.