Campanalogia improved : Or, The art of ringing made easy, by plain and methodical rules and directions, whereby the ingenious practioner may, with a little practice and care, attain to the knowledge of ringing all manner of double, tripple, and quadruple changes. With variety of new peals upon five, six, seven, eight, nine, and ten. As also the method of calling bobs for any peal of tripples from 168 to 2520 (being the half peal:) also for any peal of quadruples, or cators from 324 to 11340.