Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 276
felt(which will never rot). It is held with a firm, elastic pressure, but allowing expan-sion, contraction, vibration and shock of any kind. The skylight protects the glass from breakage and the metal from corrosion; thuspossessing the greatest durability and subject to the least deterioration from… … !,ooo,ooo sq. ft. in use
Building materials
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