Show floan 0 wood woo proves success synthetic product found to possess many qualities of structural utility washington D 0 experiments in tho the making ot of artificial lumber are arous arousing ink increasing interest among government officials and leaders in tho the lumber industry Ind although nono none of the product has been marketed officials in tho the national lumber manufacturers association declare that tests already made of a 0 synthetic composition produced by minnesota lumber interests show it possessor many qualities malting making it available for structural purposes tho experiments tire aro based on some what the samo same principle as that employed in tho the manufacture of paper from wood pulp in the process not only the iho trunks and branches of young trees but tho the leaves and smaller ports parts ns as well aro are ground up tip and mixed with ath other r substances virtually eliminating waste the resulting compound lg Is capable of being molded into sizes and shapes of almost any description needed in building adds addo to timber resources officials of the lumber manufacturers association declarer that thatis if a practical method of tills this sort can bo be perfected the result may bo be to revolutionize abd tbd entire lumber industry aside from utilizing the present great waste in converting trees into usable lumber they say it prose presenta pro senta atsa a solution to the manufacturers problem of finding sum sufficient clent material in the count rys rapidly diminishing timber resources from the time uie the standing tree Is iq turned by the sawmill into planks and boards and applied in construction from 00 60 to 65 per cent has been wasted this includes stumps chips bark and branches plank and log trimmings and a huge amount of sawdust the new mew method will use all of this already has been spent in experimental work inthis in tills direction by tho the weyerhaeuser haeuser lumber interests in minnesota AlInne theire their experiments are said to have been undertaken largely because ono of the chief obstacles encountered by lumber manufacturers la is the competition of paper manufacturers I 1 who can use young trees unsuitable for lumber purposes this Is especially ally important in the lake states where pulp mills so compete with saw ns as to make it practically certain that very little saw timber will bo be grown commercially under present cond conditions fifty years between crops timber owners find that in from fifteen to twenty years they can grow crops of spruce that will bo be suitable for the pulp and paper mills whereas it would take from alf fifty ty to one hundred years to grow a crop that would meet tho the requirements of tho the lumberman according to tho the manufacturers association tests have shown the artial artificial lumber to have a satisfactory ten silo strength and to bo be capable of being sawed planed and nailed so that tho the product lacks only tho the charms of the grain effects of natural wood officials of the alio forestry service while dec declaring they hall had not yet been assured the strength of the artificial boards equals that of the natural ones believe they would bo be useful for many purposes ono of their strong points it Is said at tho the forestry service Is their waterproof qualities and insulation against beati and cold |