High school manual training course in woodwork, including cost of equipment and supplies and studies on trees and wood (1905)
Ritchey, Samuel Edward, 1866- · New York, American Book Company · leaf 84
uarter circle without making ringsin the work, as there is no supporting grind immediatelynext to your point to steady it. The obtuse angle hasthis supporting steel or grind on both sides. The reason the obtuse angle cuts smoother than theacute is illustrated very simply in Fig. 155, which shows … why the front of the tooth of a cross-cut saw is given abevel or pitch. A board is shown, across which we wishto make a deep mark with a knife; holding the knife asat A, it will push harder and tear the wood more than ifheld nearly perpendicular as at B. But if held as at C,it begins to cut gently…
Woodwork (Manual training) · Cabinetwork
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