San Francisco : Architect and Engineer, Inc · leaf 40
mes — blackenedand charred on the exposed surface but in-tact and otherwise sound, having successfullystood as a barrier against the fire and pre-vented its passage. The untreated floors didnot fare so well. They ignited and, on com-pletion of the tests, were burning on both theexposed and… … FIRE TESTS OF VERTICAL PANELS OF RED OAK—TREATEDEXPOSED FACE WHEN WITHDRAWN FROM FURNACE and calorimetric tests were performed onnumerous samples conditioned in variousways. Test floors were repeatedly washed todetermine the lasting quality of the fireproof-ing. For thirty days an automatic…
Architecture · Building
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