Mercator Improved, Or, The Description and Use of a New Instrument, with which May be Solved All the Problems of Plain and Mercator's Sailing; and Also All the Cases of Plain Trigonometry: and Being in the Form of a Triangle, is Very Ready and Intelligible in the Operation
Author : B. Goodday
Publisher :
Page : 28 pages
File Size : 42,81 MB
Release : 1725
Category : Nautical instruments
ISBN :