@article{591735,
      recid = {591735},
      author = {Falck, N. D.},
      title = {The ready observator or an infallible method for  determining the latitude at sea: By Altitudes of the Sun,  At any Time of the Day, either Fore-Noon or After-Noon,  Independant of a Meridional Observation. The Whole rendered  peculiarly easy for Practice, and annexed with a compleat  and correct Sett of all the necessary tables; By N. D.  Falck, M.D. [electronic resource] :},
      publisher = {printed for J. Mount, T. Page and W. Mount, on Tower  Hill,},
      address = {London :},
      pages = {[4],iii,[1],86p. ;},
      year = {1778},
      note = {The titlepage is engraved.},
      url = {http://library.usi.edu/record/591735},
}