@article{659687, recid = {659687}, author = {French, John,}, title = {A perfect discovery of the longitude at sea In compliance with what's propos'd in a late act of Parliament. Being the product of nine years study, and frequent amendments of a mathematician, who has us'd the sea upwards of twenty five years, and has had the experience thereof at sea. And his projection hath been view'd and approv'd on by most of the mathematicians about London. [electronic resource] :}, publisher = {Printed by J. Cluer in Bow-Church-Yard; and sold by the author at his house the lower-end of Grays-Inn-Lane, Holborn; and at Mr. Walpool's, mathematick instrument-maker in the minories,}, address = {London :}, pages = {20p. ;}, year = {1715}, note = {A mathematician = John French.}, url = {http://library.usi.edu/record/659687}, }