Mathematical construction, informal number work for busy hands; grades one and two (1911)
Laffin, Nora Louise, 1878- · Chicago, A. Flanagan Company · leaf 55
LESSON XX • \\ •• * £ - - X \\ i • 1 k y 1 __ J … Make cutsindicated andfold on thed iagonalsseen. Paste 1on 2. Makehandle of 3strips cutfree - hand.Eesult:Fig. 2. FOLDING 49 LESSON XXI
Manual training · Paper work
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