Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 173
ystem can be erectedto occupy for wood or granolithic floor, cinder fill fireproof slab and plastering, a space of yi. In the many buildings where a similar system hasbeen used it has given entire satisfaction. Recommended for loads of 60 lbs. per square foot. Factor of Safety of Ten. Weight per… … FALSE COLUMN
Building materials
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