Don Mills, Ont. : Southam-MacLean Publications · leaf 491
od boring bit wear out soonerthan the edges because they have harder work to do,and because it is impossible to make them propor-tionally as able bodied as the edges. The lips alwayscut across the grain, while the edges cut with thegrain, simply lifting up the layers of wood which arefreed by the… … the shortest lived because they do not cut, but rub off,the wood. The edge in Fig, 2 is better, but the lip istoo close to the cutting edge and cannot be made largeand strong enough to carry off the heat generatedin the cut, consequently the edges burn and crumble.Fig. 3 is the best design the…
Furniture industry and trade · Woodworking industries
Internet Archive · Thomas Fisher Rare Book Library · Public Domain Mark 1.0. Free to use for anything.
