The preceptor, and scholar's assistant Being an improved system of practical arithmetic. By William Darbyshire, Writing Master, and Teacher of the Mathematics.

Preceptor, and scholar's assistant (Online)

The preceptor, and scholar's assistant: Being an improved system of practical arithmetic. By William Darbyshire, Writing Master, and Teacher of the Mathematics

Manchester : printed at the office of W. Shelmerdine & Co. for the author; and sold by I. and W. Clarke, Manchester; Messrs. Vernor and Hood, No. 31, in the Poultry, London; Mr. Binn's Leeds; Mr. Robinson, Liverpool; and Mr. Clarke, Stockport, 1799.