The thermal conductivity of various forms of tile and their value as fireproofing materials . outer E •^/o ,, :.n ^?<^^ nmt^^T^ _ ^i^ N^ ?^- -^. WPPM——???—— ??< |BS«E»s|»siJHhcs»u ?????????? ^^n H 9 nh S^^E ifll m mnS snsssssn ilESinH BB«:33!!aaelliUllI! j:aK ? ???? ??????MM na

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Keywords: ., bookcentury1900, bookdecade1910, bookidthermalcondu, bookyear1915