The schoolmasters assistant: being a compendium of arithmetic, both practical and theoretical. In five parts. ... To which is prefixt, an essay on the education of youth; ... A new edition. Corrected. By Thomas Dilworth, ...
Dilworth, Thomas,-1780.
London [i.e. Gainsborough?] : printed for W. Osborne and T. Griffin, and Mozley and Co. Gainsbrough,
1793.
The imprint is false; probably printed in Gainsborough.
ESTC