Pyrotechnia, or, A discovrse of artificiall fire-works : in which the true grounds of that art are plainly and perspicuously laid downe : together with sundry such motions, both straight and circular, performed by the helpe of fire, as are not to be found in any other discourse of this kind, extant in any language : whereunto is annexed a short treatise of geometrie, contayning certaine definitions and problemes for the mensuration of superficies and sollids, with tables for the square root to 25000, and the cubick root to 10000 latus, wherein all roots under those numbers are extracted onely by ocular inspection (1635)
Babington, John, Droeshout, John, -1652 · London : Printed by Thomas Harper, for Ralph Mab · leaf 138
of the Cube. He cube is a body comprifedof fixe fquare fupcrfi- cicsbcingof cquall proportion , and is accounted one of the five regular bodies , being named of the Greeks Exaedron^ and is meafured in manner fol- lowing. Fir ft having found the fuperficiall content of or.c of the fquares, by thc4p… … Prob. 2. How to tneafure the Crafsitude of an Oblonge. THis is performed aimoft with the fame facilitic as the precedent, for if you multiply any of the fupcrficies terminating the fame figure, by one of the fides which falleth on the Laid fupcrficies at right angles, it giveththe content required.…
Fireworks · Geometry
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
