A rational and practical treatise of arithmetic. (In two parts.) Containing all that is necessary to be known in this art, ... To which is added, ... the reason and demonstration of every rule and operation, ... By W. Cockin, ...
Cockin, William,1736-1801.
London : printed for the author; and sold by W. Nicoll; T. Caslon; Wilson and Fell, and Hawes, Clark, and Collins: J. Fletcher, in Oxford; T. Merril, in Cambridge; W. Charnley and T. Slack, in Newcastle; J. Gore, in Liverpool; W. Stuart, in Preston; A. Ashburner, and J. Wilson, in Lancaster; J. Ashburner, in Kendal; and W. Sheperd [sic] in Whitehaven,
1766.
With a final errata leaf.
ESTC
England London
Also reproduced on microfilm. Woodbridge, CT: Research Publications, Inc., 1986. The Eighteenth Century ; reel 5100, no. 3.