Manual of cardboard construction for third and fourth grades (1902)
Kunou, Charles A. [from old catalog] · [Los Angeles?] · leaf 67
s radius.On the arc set off distance equal to C D.Draw F B and E B.Draw A C and A D.On A, C and A, D draw semicircles 1 and 2, with V2 radius and 1 from C and D.Draw lines 3 and 4 for flaps I/2 wide.Cut around figure with scissors on the full lines.Score on dashed lines.Fold figure inward on… … 66
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