A shorter course in woodworking; a practical manual for home and school . Fig. 275 much thinner, it is passed through the planer several times. To pre-vent as much as possible subsequent warping, plane equal amountsfrom each side (see page 209). Thecommon planer makes the surfacesmooth, but does not true it. If apiece be warped before planing, it willbe warped afterwards, although slightirregularities will be removed,Therefore, when accurate work is de-sired, make one side as true as possi-ble before planing. The knives orcutters (Fig. 276) make the littlewaves or undulations seen in machine-p
A shorter course in woodworking; a practical manual for home and school . Fig. 275 much thinner, it is passed through the planer several times. To pre-vent as much as possible subsequent warping, plane equal amountsfrom each side (see page 209). Thecommon planer makes the surfacesmooth, but does not true it. If apiece be warped before planing, it willbe warped afterwards, although slightirregularities will be removed,Therefore, when accurate work is de-sired, make one side as true as possi-ble before planing. The knives orcutters (Fig. 276) make the littlewaves or undulations seen in machine-planed stock (Fig. 277).^These planer-marks must be removed by hand for all nice work. » The old-fashioned Danielss planer makes the stock true, but as it is slow and thesurface is left very slightly rough, it is superseded, except where especial accuracy isrequired. Figs. 274-276 show a Whitney planer. These undulations correspond to the distance between the strokes of the Fig. 276 io8 A Shorter Course in Woodworkino^
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