Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 186
MACKOLITE GIRDER COVERING MACKOLITE COLUMN COVERING In the construction of some buildings a certain amount of attention must be paidto the design and efifect of the finish of interiors. In rooms where beams and girdersform a part of the ceilings, or where a brace has to be covered, duplicates of…
Building materials
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