The description and use of the carpenters-rule together with the use of the line of numbers (inscribed thereon) in arithmatick and geometry. And the application thereof to the measuring of superficies and solids gaging of vessels, military order interest and annuities: with tables of reduction, &c. To which is added, the use of a (portable) geometrical sun-dial, with a nocturnal on the backside, for the exact and ready finding the hour of the day and night: and other mathematical conclusions. Also of a universal dial for the use of seamen or others. Collected and fitted to the meanest capacity. By J.B