RARE Boon Depr, XE
TTL -F18R
NAVIGATION.
Falck, N D 5 Ge 1798.
The ready observator; or An infallible method for determining the latitude at sea: by altitudes of the sun ... The whole rendered peculiarly easy for practice, and annexed with a compleat and correct sett of all the necessary tables ... By N.D. Falck.
London: Printed for the author and sold by Wells and Grosvenor,stationers ,N¢1l,in Cornhill; | by the mathematical instrument-makers,and all booksellers in the sea-port-towns in Great
& (See next card) MB