@article{594611,
      note = {Price from imprint: Price 1s. 6d.},
      author = {Dunn, Samuel,},
      url = {http://library.usi.edu/record/594611},
      title = {A new and easy method of finding the latitude on sea or  land, having two altitudes of the sun and the time elapsed  between the two observations, measured by a watch or other  time-keeper. By Samuel Dunn, Teacher of Mathematics.  [electronic resource] :},
      publisher = {printed, for the author,},
      recid = {594611},
      pages = {20p.,plate ;},
      address = {London :},
      year = {1778},
}