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The sector on a quadrant, or, A treatise containing the description and use of three several quadrants
each rendred many wayes both general and particular. Accommodated for dyalling, for the resolving of all proportions instrumentally, and for the ready finding the hour and azimuth universally, in the equal limb. Of great use to seamen, and practitioners in the mathematiques. Written by John Collins accountant, and student in the mathematiques. Also an appendix touching reflected dyalling, from a glass however posited. With large cuts of each quadrant, printed from the original plates graved by Henry Sutton, either loose, or pasted upon boards -
Horometria: or The compleat diallist
Wherein the whole mystery of the art of dialling is plainly taught three several wayes; two of which are performed geometrically by rule and compass onely: and the third instrumentally, by a quadrant fitted for that purpose. With the working of such propositions of the sphere, as are most usefull in astronomy and navigation ... By Thomas Stirrup, philomath. Whereunto is added an appendix, shewing how the parallels of declination; the Jewish, Babylonish, & Italian houres; the azimuths, almicanters, &c. may be easily inscribed on any dial whatsoever, by rule and compasse onely. And to draw a diall on the seeling of a room, by W. Leybourn. Also, Dialling Vniversal, performed by an easie and most speedy way, ... by certain scales set on a small portable ruler, by G.S. practitioner in the mathematicks