@article{568713,
      note = {The first leaf contains an 'Abstract of his Majesty's  Royal letters patent' for 'a portable instrument for  detecting frauds by counterfeit gold'.},
      author = {Bradford, William, and Darby, R. and Hulls, Jonathan,},
      url = {http://library.usi.edu/record/568713},
      title = {The art of measuring made easy, by the help of a new  sliding-rule: which performs the same at one operation, As  requires Two, Three, or More, On the Sliding-Rules  heretofore used, in a Plain, easy, and concise Method,  entirely new. By W. Bradford, R. Darby, and J. Hulls,  philomath' all of Campden in Gloucestershire N. B. For the  Curious the Authors have Sliding-Rules of a particular  Make, with Brass Slides at 7s. each. [electronic resource]  :},
      publisher = {[s.n.],},
      recid = {568713},
      pages = {35,[1]p. :},
      address = {Coventry :},
      year = {1756},
}