Home instruction for sheet metal workers . Making HirPED Skylights 269 illustrates how the narrow sides a and a are joined at rightangles to the long sides b and b. The two halves should besoldered and then joined together at c and The same applies to the outside ventilator. Curb B is set to-gether in the same manner. The short sides e and e are firsttacked with solder to the long sides / and / and then joined tothe opposite corners, g and h, and the four corners thoroughlysoldered. 270 Home Instruction for Sheet Metal Workers In the hood C, the heads i and / are soldered. Inside of thisho
Home instruction for sheet metal workers . Making HirPED Skylights 269 illustrates how the narrow sides a and a are joined at rightangles to the long sides b and b. The two halves should besoldered and then joined together at c and The same applies to the outside ventilator. Curb B is set to-gether in the same manner. The short sides e and e are firsttacked with solder to the long sides / and / and then joined tothe opposite corners, g and h, and the four corners thoroughlysoldered. 270 Home Instruction for Sheet Metal Workers In the hood C, the heads i and / are soldered. Inside of thishood braces D and E are well soldered, with the distance m and I,such that when the outside ventilator F F is placed in position theupper ledge will meet the cross braces D° and E°, so that an edgewill be exposed at n and o for soldering. Thus the outside ventilator and the hood are joined, form-ing the ventilator H, with the notches r, s and t in position, vand u showing the cross braces on the inside. When the ventilator is large and it is possible that a storm mayblow off the hood, it will be advisable to secure the hood asat X, where hood J is fastened to the outside ventilator K by the
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1922
