@article{591741,
      note = {A lecture read to the Royal Society on May 28, 1772.},
      author = {Maskelyne, Nevil,},
      url = {http://library.usi.edu/record/591741},
      title = {Remarks on the Hadley's quadrant, tending principally To  remove the Difficulties which have hitherto attended the  Use of the Back-Observation, and To obviate the Errors that  might arise from a Want of Parallelism in the two Surfaces  of the Index-Glass. By Nevil Maskelyne, F.R.S. Astronomer  Royal. [electronic resource] :},
      publisher = {printed by W. Bowyer and J. Nichols,},
      recid = {591741},
      pages = {[2],24p. ;},
      address = {London :},
      year = {1772},
}