essay towards the improvement of navigation
Subtitle: chiefly with respect to the instruments used at sea. By W. Maitland.
Series: Eighteenth Century -- reel 10813, no. 04.
Publisher: printed by H. Kent for the author; and sold by J. Scott; A. Miller; J. Millan; and at all the pamphlet shops, and most instrument-makers shops in London
Published: 1750
Place of publication: London