@article{653989,
      note = {With a half-title.},
      author = {Smith, Addison.},
      url = {http://library.usi.edu/record/653989},
      title = {Visus illustratus; or, The sight rendered clear and  distinct Being an enquiry or examination into the cause of  the inefficacy or defect of the present mode of  constructing spectacles for the relief of the presbytes, or  weak-sighted eyes: and to illustrated the use and superior  advantage of spectacles formed upon a new construction, for  the remedy of such defect; for the making and vending of  which His Majesty has been graciousy pleased to grant the  author his royal letters patent; the whole being the result  of experimental proofs, to elucidate defective vision in  spectacles. By Addison Smith. [electronic resource] :},
      publisher = {Printed for the author, and sold by Thomas and John  Egerton, Charing-Cross; and Walker, Pater-noster Row,},
      recid = {653989},
      pages = {37,[1]p.,plates ;},
      address = {London :},
      year = {1783},
}