Ornament Details
011660030000140_1
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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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