Dialling, Plain, Concave, Convex, Projective, Reflective, Refractive ... Illustrated with sculptures, engraven in copper ... The second edition corrected, and two new tractates added, etc. [With an engraved portrait of Leybourn added as frontispiece.], Volume 1J. Matthews, 1700 |
Expressions et termes fréquents
alfo Art of Dialling Azimuth becauſe Center Compaffes Complement cut the Circle cut the Primitive Declining Reclining Plains defcribe Dial-Plain Difference of Longitude diſtance draw the Line Eaft East equal Equi Equinoctial Circle fame fetting one foot fhew fide Figure firft Firſt fo fhall fome ftances fuch given Line Gnomon Half Tangents Horizontal Dial Horizontal Line Hour Lines Hour-Circles Hour-Distances infert Interfection Laftly Latitude Lay a Ruler Line drawn meaſured muft muſt North Pole Numbers obfcure obferved pafs Parallels Perpendicular Stile Plain's Declination Plain's Difference Pole or Stile Prime Vertical Primitive Circle Projection Quadrant Radius 90 deg reprefenting Requifites Right Angles Right Line Ruler laid Scale of Chords Scale of Sines Secant Semicircle ſhall South Declining South Plain Sphere Stile's height Subftile thefe thereof theſe thofe thoſe Tractate Triangle Trigon Trigonometrical Calculation Tropicks true Hour-lines Upright Plain Vertical Weft whofe Zenith