Manual of cardboard construction for third and fourth grades (1902)
Kunou, Charles A. [from old catalog] · [Los Angeles?] · leaf 29
25 A3 COURSE A3 COURSE.No. 1. Bookmark.Construction: Using compasses draw circle with ly^ radius. Draw diameter. Measure 1/2 on each side of center. With triangle draw lines AB, and CD, at right angles with the diameter.With scissors cut around circumference.Cut along lines BA, and DC, to… … 28 A3 COURSE. No. 2. Triangular Keytag.Construction: With ruler draw line AB, 3 long. Using A and B as centers and AB as radius with compasses draw arcs to intersect above AB at C.AVith ruler draw lines AC and BC.Cut triangle with scissors.Measure 1 down from apex of triangle.Punch hole with…
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