Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 174
^ \\ * ) /r>T*tt./,<f OoTjcr-eie Thundation \rx^ ^ y^\\ c<ji>c?.:0Ly-^-c-i^g^ ^■^v^G^■<—- ^^^-^^^:j^i^ … METHOD USED IN CONSTRUCTING HOLLOW EXTERIOR WALL Hollow and Solid Partitions and Walls—y??»-;-ify) The lightest, strongest and most thoroughly fireproofpartition for use in residences, hotels, schools, officebuildings, hospitals, and, in fact, all classes of struc-tures, is the light channel or…
Building materials
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