An edition of The description and use of an instrument, called the double scale of proportion (1671)

The description and use of an instrument, called the double scale of proportion

By which instrument, all questions in arithmetick, geometry, trigonometry, astronomy, geography, navigation, fortification, gunnery, gaging vessels, dialling, may be most accurately and speedily performed, without the assistance of either pen or compasses. By Seth Partridge

By Seth Partridge