Home instruction for sheet metal workers . Fig. 293. •Forming theT-Shaped Cap. Fig. 294. Double Pitch Skylights for Flat Roofs. which points, at right angles to Ba O, draw lines intersectingsimilar numbered lines in the pattern for sides of curb, shown by

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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922