. Carpenter. Fig. by hand, although it is nowalmost an obsolete tool. Concerning iron and patented mitreboxes, I might state that for shops andindoor use they are excellent, but theirtendency to rust hardly renders themadaptable to outdoor work. They do,however, accurate and excellent work,and their various good points can alwaysbe obtained from the manufacturers. To I<ay Oat Valley Rafter for TwoPitches(By James Barry, L. U. 509.)Square in, as per sketch, one foot from outside face of plate where valley rafteris to be from C to D. Mark D E parallel with plate, cuttingvalley r
. Carpenter. Fig. by hand, although it is nowalmost an obsolete tool. Concerning iron and patented mitreboxes, I might state that for shops andindoor use they are excellent, but theirtendency to rust hardly renders themadaptable to outdoor work. They do,however, accurate and excellent work,and their various good points can alwaysbe obtained from the manufacturers. To I<ay Oat Valley Rafter for TwoPitches(By James Barry, L. U. 509.)Square in, as per sketch, one foot from outside face of plate where valley rafteris to be from C to D. Mark D E parallel with plate, cuttingvalley rafter at E. From E set up rise of 1 foot, which inthis sketch will be six inches from E toF, then mark pitch line C By these lines, if correctly laid out fullsize, obtain figures by which we can layout valley rafters. Now find distance on level or run fromC to E to be just 15 inches and this C Erepresents 1 foot run on valley rafter,the same as 17 inches represents 1 footon common pitch rafter. The rise from E to F is 6 inches andpitch line from C to F will be 16 3-16inches. Then we can lay out valley raftersame as ordinary rafter, using 15-inchrun and six-inch rise. The entire length of valley rafter willbe 8 feet J inch, or 16 3-16 inches sixtimes. (Remember to take out i thickness ofridge poll.) True Lengths of Hip and Valley Rafters (By Wm. Innes, L. U. 461.) It shall help many carpenters to know that 17 inches is not the true number for hips and valleys, as that is the popularly accepted practice when square is used. The truest number on our squares is 16 31/32, so for that reason hips and val- 47 E C/lRPEnTER leys have to be recut or chopped off ontop edge at ridge. If hips are put upfirst, t
Size: 1434px × 1743px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, bookidcarpenter33u, bookyear1913
