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Illustrated catalogue of galvanized iron roofing and shedding, iron structures, &c. : patent portable steel railways, railway plant, iron bridges, &c. (1884)

A. & J. Main & Co. · A. & J. Main & Co. · leaf 8

An illustration from Illustrated catalogue of galvanized iron roofing and shedding, iron structures, &c. : patent portable steel railways, railway plant, iron bridges, &c., 1884, leaf 8
s 60 ft. long and upwards. No. 3 is a Eaised Ventilator applied to Roofs, Curved or Ridge-shaped, having Iron Principals. The Ventilator Uprights aresecured to the Roof Principals, and covered over with Curved Sheets attached to Purlin-Bars provided at the Eaves of theVentilator. Galvanized Iron… … No. 20.—Section of Doublo-Spau Curved Hoof 0

Roofing · Sheet roofing · Corrugated roofing · Sheet metal · Structural iron · Ironwork

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