Home instruction for sheet metal workers . upper part of sash to receive the glass. One side of the hoodis open at c, while d and e are the sash caps raised, which arepressed down firmly when the glass has been slid into groove band iron truss b is riveted to the bottom of the sash barswhen the sash is to be raised or lowered by means of worm gear-ings. The detailed construction of the truss in diagram X3, , shows that in this case the band iron truss is made of 3/16in. x X1/^ in. band iron, properly bent and riveted to the walls of 236 Home Instruction for Sheet Metal Workers the
Home instruction for sheet metal workers . upper part of sash to receive the glass. One side of the hoodis open at c, while d and e are the sash caps raised, which arepressed down firmly when the glass has been slid into groove band iron truss b is riveted to the bottom of the sash barswhen the sash is to be raised or lowered by means of worm gear-ings. The detailed construction of the truss in diagram X3, , shows that in this case the band iron truss is made of 3/16in. x X1/^ in. band iron, properly bent and riveted to the walls of 236 Home Instruction for Sheet Metal Workers the sash bars. By riveting in the position shown, the drip, ifany, is allowed to pass tinder the truss and along the condensa-tion gutter without hindrance. When the sash to be raised is long thesash bar is usually reinforced, as in dia-gram X5, by a strip locked to the con-densation gutter and soldered at a, afterthe truss is riveted in position. Thismakes a rigid construction. On thecenter of the truss a hinge is riveted, as.
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License: Licensed
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
