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. By Thomas Dilworth, ...
Dilworth, Thomas,-1780.
London : printed for W. Osborne and T. Griffin, and H. and G. Mozley, Gainsbrough,
1798.
ESTC