Sheet metals and sheet metal products : no. 292 (1911)
Wheeling Corrugating Company · Wheeling Corrugating Company · leaf 77
Gem CircleSingle Bead Penn CircleDouble Bead No. 16 is fastened under theshingles; the hinge and circleboth adjust to every Y% inch. ExtensionShanks This shank is 6inches long, and theuse of same allows for5 inches extension.
Sheet-metal · Metal products · Corrugated metal roofing · Metal shingles · Metal siding · Tin roll roofing · Tin gutters
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