. Elementary course in woodwork ; designed for use in high and technical schools, with one hundred and thirty-four illustrations, by George Alexander Ross . ace is behind the full end and shows a dotted line. Lines that are seen are shown as full lines. H. P 51° A N G L e ) 1 • • t J » I | I ! FIG. 26. Lines that are below a surface and are required inthe reading of a drawing are shown as dotted lines. The drawing, Fig. 21, calls for a piece that is 8inches at its longest, 2 inches at its widest, and 1 inchat its thickest point, and that may be designated thus:piece 8 inches x 2 inches x 1
. Elementary course in woodwork ; designed for use in high and technical schools, with one hundred and thirty-four illustrations, by George Alexander Ross . ace is behind the full end and shows a dotted line. Lines that are seen are shown as full lines. H. P 51° A N G L e ) 1 • • t J » I | I ! FIG. 26. Lines that are below a surface and are required inthe reading of a drawing are shown as dotted lines. The drawing, Fig. 21, calls for a piece that is 8inches at its longest, 2 inches at its widest, and 1 inchat its thickest point, and that may be designated thus:piece 8 inches x 2 inches x 1 inch finished. For measuring, a standard rule 2 feet long that canbe folded up is preferred. The rule is divided intofeet, inches, ^ inches, J inches, J inches, 1-16 inches, 28 ELEMENTARY COURSE IN WOODWORK. etc. On some rules will be found scales that can beused in measuring drawings that are drawn to drawing may be of any scale, using f, \, J, 1, 1^,3, or 6 inches to the foot. The first thing to be done toward carrying out thework is to saw out a piece from the plank that is laidon the saw trestles (Fig. 27). Mark with a pencil the. Fig. 27. lines to be sawed; holding the rule in the left hand,and the pencil in the right, and placing the index fingerof the left hand against the edge of the plank, as shownin Fig. 28, draw both hands toward the body, thusmarking out the piece lengthwise; then measure thelength required and place the try-square (Fig. 29)against the edge of the plank, and draw a line alongthe blade through the point marked. The piece should be marked out larger than the fin-ished exercise so that there will be stock enough in the ELEMENTARY COURSE IN WOODWORK. 29 piece to perform the operations required, say 8^ inchesx 2\ inches, the plank being thick enough to providefor the work on the sides. Having laid out the piece on the plank, take therip-saw and hold it as shown in Fig. 30; saw down the
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Keywords: ., bookcentury1900, bookdecade1900, bookidelementaryco, bookyear1901
