@article{515504,
      recid = {515504},
      author = {Penrose, Francis,},
      title = {An essay on magnetism: or an endeavour to explain the  various properties and effects of the load-stone: together  with the causes of the same. By Francis Penrose, Surgeon,  at Bicester, Oxfordshire [electronic resource].},
      publisher = {printed at the Theatre for Sackville Parker, Bookseller at  Oxford, and W. Owen, at Homer's Head, Temple-Bar, London,},
      address = {Oxford :},
      pages = {[4],40p. ;},
      year = {1753},
      note = {With a half-title.},
      url = {http://library.usi.edu/record/515504},
}