Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 371
ATOR Enclosures, Cars, Doors, Windows, Grilles, etc. The Hecla FireproofMaterial in connection with metal is for FIREPROOF WINDOWS, DoORS, Stair Treads,Platforms, Column Covers, etc.. The fireproof doors are an absolute Fire-Stopand are made in all grades from plain fireproof doors or shutters to… … PLANT OF THE HECLA IRON WORKS, BROOKLYN, N. Y. facilities. The plant of the Company is the largest of its kind in the United States. It \vas established some thirty years ago by Messrs. Poulson & Eger, who had had a trainingas architects and engineers, besides practical experience and who,…
Building materials
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