Construction work in cardboard and paper for grades I to IV, without the use of tools; with a course in woodwork for the fifth grade (1900)
Smith, Robert Mackie, comp · Chicago, A. Flanagan Co · leaf 103
on the adjoining branchyy y,y, y,and bind the construction by the return of the small tri-angles. A triangle having three equal sides is formed atthe center of the square. Materials.—Nos. 25 and 26. The cube is made and it is only necessary to pinch thecorners to make it firm. u*c r - \ V^ r1\ \l…
Paper work
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