@article{597019,
      recid = {597019},
      author = {Fitch, John,},
      title = {An explanation for keeping a ship's traverse at sea, by  the columbian ready reckoner. By John Fitch [electronic  resource].},
      publisher = {printed for, and published by, the author,},
      address = {London :},
      pages = {[2],vii,12,[1]p.,plate ;},
      year = {1793},
      note = {Reproduction of original from British Library.},
      url = {http://library.usi.edu/record/597019},
}