@article{527145,
      note = {With a table of logarithms, for numbers from 1 to 10,000.},
      author = {Ward, John,},
      url = {http://library.usi.edu/record/527145},
      title = {Clavis usur? or, a key to interest, both simple and  compound: containing practical rules, plainly express'd in  Words at length; whereby, all the various Cases of  Interest, and Annuities, or Leases either in Possession, or  Reversion, and Purchasing Free-Hold Estates, &c. may  very easily be Resolv'd, both by the Pen and a small Table  of Logarithms, hereunto annex'd; For all Rates of Interest,  and Times of Payment whatsoever; Illustrated by Variety of  Examples. To which is added, rules to be observ'd in  estimating the value of annuities, or leases, and  Insurances for Lives, &c. Also, The Business of Rebate  or Discompt, and the Equation of Payments (very useful for  Merchants and other Deallers) is here Rectified and truly  Determin'd. By J. Ward. [electronic resource] :},
      publisher = {printed by J.M. for William Taylor, at the Ship in  Pater-Noster-Row, near the North Door of St. Paul's  Church,},
      recid = {527145},
      pages = {[8],120,[52]p.,plate :},
      address = {London :},
      year = {1710},
}