Woodworking for beginners; a manual for amateurs . noughto give the board room to shrink and swell in width without drop-ping out or pushing against the frame. You now have a com-plete door (Fig. 503), and the warping, winding, swelling, andshrinking will do as little harm as possible. That is all there isto the theory of framing doors, panels, and the like. The panel should fit closely into the groove, but at the same time be loose enough to slide in and outas it expands and contracts, and shouldnot be wide enougli to reach to the bot-tom of the grooves, but room be left forall possible chang
Woodworking for beginners; a manual for amateurs . noughto give the board room to shrink and swell in width without drop-ping out or pushing against the frame. You now have a com-plete door (Fig. 503), and the warping, winding, swelling, andshrinking will do as little harm as possible. That is all there isto the theory of framing doors, panels, and the like. The panel should fit closely into the groove, but at the same time be loose enough to slide in and outas it expands and contracts, and shouldnot be wide enougli to reach to the bot-tom of the grooves, but room be left forall possible change in wndth, as shownin Fig. 504, which shows sections on theline AB. All this is important and hasmany applications to other things thandoors. It is not very uncommon foramateurs, ignorant of these simple prin-ciples, to make a door-frame properly,but in fitting the panel to make it thefull width of the space from the bottomof one groove to the bottom of the op-posite, and also to make it such a snugfit in the groove as to be stuck tight, all u-e. WRONCJ. Fig. 504. with the idea of making such a good fit as to prevent any of thegaping cracks so often seen, Init really taking the very course to Tools and Operations 369 ruin the work. So important is it that the panel should haveplay, that it is quite common in nice work to rub wax or tallowaround the edge of the panel, lest some of the glue from thejoints of the frame should cause it to stick when the frame isglued up. If the pane] is badly fitted or stuck, it may buckleor split, or the frame be split or forced apart at the joints. There are many more elaborate ways of arranging the detailsof door-framing and panelling (too numerous to be describedhere, as they will not often be required by the beginner); but ifyou understand the general principles upon which this simpledoor is put together, you will understand the principles uponwhich all panelling is based; and, though you may never domuch of it, it is quite important to have
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