27 books
The Twenty-first Edition of the Ready Reckoner; or, Trader's Sure Guide. Containing Tables Ready Cast up, Adapted to the use of all who Deal by Wholesale or Retail; ... By William Leybourne
Panarithmologia
An Introduction to Astronomy, Geography, Navigation and Other Mathematical Sciences, Made Easie by the Description and Uses of the Coelestial and Terrestrial Globes ...