@article{597046, recid = {597046}, author = {Haselden, Thomas,}, title = {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 [electronic resource].}, publisher = {printed for the author,}, address = {London :}, pages = {[2],xii,32p.,plate :}, year = {1722}, note = {Reproduction of original from British Library.}, url = {http://library.usi.edu/record/597046}, }