@article{533823,
      recid = {533823},
      author = {Leybourn, William,},
      title = {The description and use of a portable instrument, vulgarly  known by the name of Gunter's quadrant. By which is  perform'd most propositions in astronomy; ... To which is  added, the use of Nepiar's bones ... By William Leybourn.  The third edition, with the addition of the use of Gunter's  quadrant in taking the declination of a plain ... By  Charles Leadbetter. [electronic resource] :},
      publisher = {printed for J. Wilcox,},
      address = {London :},
      pages = {81,[7],67,[1]p.,plate ;},
      year = {1731},
      note = {'The art of numbring by speaking-rods, vulgarly termed  Nepier's bones' has separate pagination, and titlepage  dated 1732; the register is continuous.},
      url = {http://library.usi.edu/record/533823},
}