An easie method not to be found hitherto in any author, or history, whereby the longitude of any places ... may be found at any distance, ... by certain fixed stars; ... both geometrically and experimentally demonstrated.
Keith, George,1639?-1716.
[London : printed for George Strahan,
1713]
Imprint from colophon.
Attributed to George Keith.
Drop-head title.
ESTC