Stereometry made easie, or, The description and use of a new gauging-rod or sliding-rule : by which the content of any tun, copper, cask, or other vessel may be readily found, either the whole or any part thereof, the area's of circles in gallons and barrels being found by inspection only : also the extraction of the square and cube-root ... : to which is added an appendix containing the description and use of another new rule, very useful in gauging of worts, and resolving questions in the mensuration of solids and superficies : with a table of the area's of circles and contents of cylinders ... /