Home instruction for sheet metal workers . sash above the pivot line is shown at G, formed toreceive the glass H. The sash is closed, showing where theside flange d locks into the cap at J. The interlocking cap J Kis shown with the storm hood attached at L M with a seam alonge f. This cap is fastened by the brass screw A. The section Oof the side of the sash below the pivot line is similar to the top,except that lock P is added, which, when closed, locks overthe standing seam P° of the post. The glass R is shown in po-sition, placed in the groove at i. Construction of Stationary and Movable Sa
Home instruction for sheet metal workers . sash above the pivot line is shown at G, formed toreceive the glass H. The sash is closed, showing where theside flange d locks into the cap at J. The interlocking cap J Kis shown with the storm hood attached at L M with a seam alonge f. This cap is fastened by the brass screw A. The section Oof the side of the sash below the pivot line is similar to the top,except that lock P is added, which, when closed, locks overthe standing seam P° of the post. The glass R is shown in po-sition, placed in the groove at i. Construction of Stationary and Movable Sashes 323 Referring to Fig. 461 it will be noticed that it is of differentconstruction, in which, as in the former construction, the gearingbracket O is screwed to the wood core in the post. The gaspipe P to which arm R is fastened, is shown with the strap Shinged to the arm R as well as to the hinge not shown. Thehome student can with care successfully work out his full sizesection of this sash. A section drawn to a scale of 4 in. to the. Fig. 462. View of Interlocking Sash Construction Shown in Fig. 459. foot or one-third full size is given in Fig. 463. Using a , every inch will represent 6 in.; ]/2 in. will equal 3 in.; %in. will equal \y2 in. and so on, always three times larger than thediagram. A section of the top curb is shown at A locked at a; in largelights a wood core is placed in it, to secure the tie rod. The sky-light curb B is bent in one piece from b to c to d, fastened to thetop curb A by screws in / if a wood core is used, and solder- 324 Home Instruction for Sheet Metal Workers Solder- ing a button over it to prevent leakage by condensation, orsoldering in the angle between o and d if no wood core is em-ployed. A section of the bar is at h and e is the condensationtube. Notice that the top of the gutter at b is lower than tube e,so that in case of an overflow the water will flow over b before itenters the tube e to the inside of the building. A flang
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
