A shorter course in woodworking; a practical manual for home and school . Fig. 118 teeth which make grooves on the surface of the wood. It is used inveneering (see page 177) and other work, to make the glue hold morestrongly (see page 182). A very cross-grained surfacecan sometimes be smoothedmore easily if it is first toothed in different directions. If asurface cannot be planed smoothhowever, the trouble is usuallyFig. 117 with the edge of the plane-iron or the adjustment, or with themanner of planing, for a very keen edge should cut the mostobstinate grain, unless the wood is extraordinaril
A shorter course in woodworking; a practical manual for home and school . Fig. 118 teeth which make grooves on the surface of the wood. It is used inveneering (see page 177) and other work, to make the glue hold morestrongly (see page 182). A very cross-grained surfacecan sometimes be smoothedmore easily if it is first toothed in different directions. If asurface cannot be planed smoothhowever, the trouble is usuallyFig. 117 with the edge of the plane-iron or the adjustment, or with themanner of planing, for a very keen edge should cut the mostobstinate grain, unless the wood is extraordinarily hard and knurly. 32. The Bull-nosed plane has the iron at the fore end, to workinto places which cannot be reached by the common planes. Theiron is reversed. The Rabbet-plane is to cut rabbets (page 159).Much of its work is now done by machinery. The planing can bestarted with the aid of a straight-edge as a guide. Hold the planefirmly against the wood without tipping it sideways. The Circular- Common Tools and Their Uses 43. plane has a flexible sole of thin metal, which can be adjusted to planeeither convex or concave surfaces. The Router is for smoothingthe bottoms of grooves and depressions, and is useful in fitting hinges,locks, and similar work, and in in-laying. There are other planes forspecial purposes, as, for example, theplough, matching-planes, hollow andround planes, beading-pla?ies, etc., aswell as combination and univer-sal planes. The plough andmatching-planes must be kept levelor square with the surface. Modernmachinery, when available, doesmost of the work of these special planes more quickly and economically than it can be done by handand progressive workmen only use them in case of necessity, 33. Planing.—Before be-ginning to plane, see that alldirt or grit which might dullthe tool is brushed from thesurface. Fasten the wood lowin the vise (Fig. 127), as youcan plane better than if thepj„ J 20 surface is high, or lay it upon Fig. 119
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