A shorter course in woodworking; a practical manual for home and school (1911)
Wheeler, Charles G. (Charles Gardner), 1855-1946 · New York, London, G.P. Putnam's sons · leaf 110
Fig. 228 Fig. 229 of the surface to be tested. Stand back and look across the top edgeof one to the top edge of the other. If these are in line there is nowinding where the straight-edges are placed (Fig. 228). By puttingthem in different positions it can be determined whether the wholesurface is…
Woodwork
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