The Description and Use of that Most Excellent Invention Commonly Call'd Mercator's Chart ; with Some Observations, Useful for the Better Understanding the Nature Thereof: to which is Added the Description of a New Scale, Whereby Distances on a Given Course May be Measured, Or Laid Off, at One Extent of a Pair of Compasses ; which Renders this Chart as Easy in Practice as the Plain Chart: Also a Letter to Dr. Halley, Concerning the Globular Chart. By Thomas Haselden ; Late Teacher of the Mathematicks, to His Majesty's-Volunteers, in the Royal Navy


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The Description and Use of that Most Excellent Invention, Call'd the Globular Chart: Shewing Its Agreableness to the Globe, and the Natural and Easy Consequences Thereof in the Practice of Navigation; with a Specimen of a Sea-Chart in that Projection; and Trigonometrical Calculations, to Prove the Truth Thereof, Both in Course, Latitude, Longitude, Meridian Distance ... To which is Prefix'd an Answer to Mr. Haselden's Letter to Dr. Halley ... with an Appendix, Containing an Answer to Mr. Collier


Book Description