@article{631544,
      recid = {631544},
      title = {The nautical almanac and astronomical ephemeris, for the  year 1793. Published by order of the Commissioners of  Longitude. [electronic resource] :},
      publisher = {printed by William Richardson, Printer; and sold by P.  Elmsly, Strand, Bookseller to the said Commissioners,},
      address = {London :},
      pages = {[16],168[i.e.170],[8]p. ;},
      year = {1790},
      note = {With three final advertisement leaves, and a leaf  announcing a reward for the discovery of "the art of making  flint glass proper for the purpose of constructing  achromatic telescopes".},
      url = {http://library.usi.edu/record/631544},
}