An essay towards the improvement of navigation, chiefly with respect to the instruments used at sea. By W. Maitland.
Maitland, W.
London : 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,
[1750?]
With a half-title.
The printer and booksellers were in business concurrently 1748-1768 (Plomer)
ESTC