in the horizontal section (Fig. 2), the Fig. 1 represents the roofing partly applied to the roof and corrugated; while the same weight of metal in the crimped! halves of which are set at an obtuse angle in such a manner sides of a building. In Fig. 2 is shown the that the disks are caused to… … wood are nailed to,and at right angles with, BELT’S SHEET IRON ROOFING. absence of the springs mentioned) all the air them, two feet apart between centers, so as to which enters the bellows is discharged fit under the crimpsand support the sheets. Or boards three| form covers twenty per cent more…
Internet Archive · Public domain (published before 1931). Free to use for anything.
