Specimens of abbreviated numbers, or, an introduction to an entire new species of arithmetic: calculated in a more especial manner for the counting-house and public offices, ... by William Weston.
Weston, William,schoolmaster.
London : printed for the author: and sold by C. Marsh; T. Meighan; Richardson and Urquhart,
[1765?]
With a final errata leaf.
ESTC