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Sweet’s indexed catalogue of building construction for the year 1906 (1906)

New York : Chicago : Architectural Record · leaf 293

An illustration from Sweet’s indexed catalogue of building construction for the year 1906, 1906, leaf 293 — Fic. 9. SECTIONAL VIEW OF THE DAHLSTROM FIREPROOF DOORShowing sheet steel frame, casing, and one method of securing same to the wall

Building materials

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More pictures from Sweet’s indexed catalogue of building construction for the year 1906

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