Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 184
from time to time, for over an hour, atthe expiration of which, a stream of water, city pressure, was turned on the surface ofthe IVIackolite within the enclosure to determine its effect upon the material. A critical examination of the material subjected to this test, after the applicationof the…
Building materials
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