Rare Books

Dialling universal. : Shewing by an easie and speedy way, how to describe the houre-lines upon all sorts of plains in any latitude whatsoever: performed by certain scales set upon a small portable ruler. The second edition furnished with these varieties. I. Reflex dialling: teaching how to describe houre-lines on the cieling of a room, how irregular soever: the glasse lying either parallel to the horizon, or oblique thereunto. II. To finde the necessary requisites belonging to all plains, as the declination, azimuth, the height of the stile, the inclination of meridians, &c. severall wayes. III. Severall tables ready calculated, being usefull in the art of dialling. With an appendix: shewing the use of the scales in resolving of the most usefull questions appertaining to astronomie, navigation and geography