A mathematical companion, or The description and use of a new sliding-rule, : by which many useful and necessary questions in arithmetick, military orders, interest, trigonometry, planometry, stereometry, [brace] geography, astronomy, navigation, fortification, gunnery, dialling may be speedily resolved, without the help of pen or compasses / - Hunt, William, (Printed by B.M. for R. Wellington, at the Lute in St. Paul's Church-yard,, 1697)