Hatfield, Robert Griffith, 1815-1879. [from old catalog] · New York & London, Wiley and Putnam · leaf 62
i and I n ; this will complete the figure. When the axes are proportioned to one another as 2 to 3, theextremities, c and d, of the shortest axis, will be the centres fordescribing the arcs, i I and m n ; and the intersection of e d withthe transverse axis, will be the centre for describing the… … 121.— To draw an oval in the proportion, seven by nine.Let c d, {Pig. 87,) be the given conjugate axis. Bisect c d ino,and through o, draw a b, at right angles to c d ; bisect c o in e ;upon 0, with o e for radius, describe the circle, e f g- h; from e,through h and/, draw e j and e i ; also, from…
Carpentry · Architecture
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Vnderweysung der Messung : mit dem Zirkel vn[d] Richtscheyt in Linien, Ebnen vnnd gantzen Corporen (1525)](https://img.insideoutlibrary.com/img/200/ia-vnderweysungderm00drer-41-73.webp)
