Camping and woodcraft - Scoutmastercg.com

242 CAMPING AND WOODCRAFTleaving the center like a tenon, and spike the endstogether. This makes close joints, and shorter logsare used, as the ends do not project. It is hestadapted to poles of six-inch diameter and under,which do not require large spikes.Fig.70.—Saddle notch'WJmRound notchA very good way, especially for amateurs, is tosaw the logs to exact dimensions of inierior of roomdesigned, and spike the ends to an L-shaped ''trough"of heavy plank (Fig. 73) which, when set on end,will reach to the height of the walls. First laythe four bottom logs, and spike the troughs upright/^-^Fig".12.—Tenon-shapedend Fig. IZ.— "Trough'* cornerto the corners, having, of course, plumbed andbraced them in position. Then proceed similarlywith the other logs until walls are finished. Th'*smakes close joints that require little chinking, if thelogs are straight.Finish the open corners by quarteringa large log, or hewing four small ones, cutto height of walls, and nailing them to the troughsas shown. This is easier and quicker than notching.If you choose this plan, take along some 2-inchplank for the troughs, as thinner stuff is not stiffor strong enough ; also some 6od nails or spikes.Joists and Walls.—Having fittedcross logs tothe sills, test again to insure that all is square.Then fit the ends of the joists into gains chiseledout of the sills (Fig. 74), The logs for joists