San Francisco : Architect and Engineer, Inc · leaf 405
mm Spe Tested l,V4ti PiHut-Water-Soluble lO. .,„ ,,, . .r Cent .JSted 11.47 Per Cent Hot-Water-Soluble Extractive Hot-Water-soluble E_xtract.e CONTAINING 11.47 PER CENT AND 13.46 PER CENT OF HOT-wItcrImlI EXTRACTIVE HAVE RETARDED THEDESTRUCTIVE ATTACK BY FUNGI … ^^*^^«>*«^|^*«J*^ f^T( vs lt^ --^«f*>-,^^ »l Specimen N. Tested 10.53 Per Cent Hot-Water-Soluble Extractive FIG. 6—SPECIMEN CONTAINING LESS THAN ABOUT IP . PER CENT OF HOT-WATER-SOLUBLE EXTRACTIVE DO NOT RESIST ATTACK BY FUNGI
Architecture · Building
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