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 31
Fig. II Fig. 12 In testing a surface or edge with the try-square (Figs. 12, 14,15), place it at several points. Face the light. The best try-squares are entirely of metal. A medium-sized one(9- or lo-inch blade) is more useful than a small one. A scale is oftenmarked on the blade. Sometimes the end…
Woodwork
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