How to teach paper-folding and cutting: a practical manual-training aid (1892)
[Litchfield, Norma MacLeod] [from old catalog] · Lebanon, Ohio, March brothers · leaf 93
90 PAPIER FOLDING AND CUTTING. the cube, and instead draw another plan for a squarepyramid. When folded you will have a handsomefigure, which looks more difficult than it is in reality … K<gNo /J/ —a cube connecting two square pyramids. A solidwhich has eight equal faces, each face an equilateraltriangle, is called an octahedron. Such a solid isrepresented in figure No. 129, and the plan is shownin the next figure. Eight equilateral triangles aredrawn, two of them being joined…
Paper work
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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