Pedlar Metal Roofing Co · Oshawa, Canada : The Pedlar People Limited · leaf 140
muscular pressure, applied to the simple tool suggestedby I^ig. 3, these flanges are interlocked, making a permanentand tight jomt, unequalled by any other method yet found of fastening culvertsections together. No boltsnor rivets are necessary inthis rib-lock device. Placedend to end and slightly…
Pedlar Metal Roofing Co · Architectural metal-work · Architectural design · Building, Iron and steel · Commercial
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