D, describe an arc at c; with the radius A d, andcentre b, cross the former arc in c ; join c D andc E, the figure A e c D is the plane required. In this plane all the angles are right angles; butwe cannot represent planes intersecting each other, … nor exemplify the construction of solids by planesin this or in similar positions. Now, imaginehinges, or swivels, fixed at the four corners of Jig. THE DEGORATOK S ASSISTANT. 17 1, then if this figure be pressed at the comer D, itcan be made to assume the form oifig. 2; andthis form fe the most…
Design · Decoration and ornament · Art
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.