Show douglas fir timbers permit speedy jobs at low cost mining engineers know that they can obtain durable douglas fir timbers in any size and length on oil short notice this eliminates delay adds to speed of work DURABLE DOUGLAS FIR always reasonable in price has greater strength per board foot and per dollar lowers timbering costs technical data on DOUGLAS FIR and its use iise in in mining will be furnished on request ADDRESS west coast lumber bureau mount hood building longview Long view washington district offices seattle washington portland ore ou fir america s permanent lumber apply Sup fil BETTER FROTHING REAGENTS every company engaged in the notation flotation of ore is interested in obtaining the highest recovery at the lowest cost much time and money have been e expended in an endeavor to develop cheaper and more inore efficient frothing reagents the experience of most operators however lias has been that with nearly all types of flotation ina machines chines and with the various grades of ores a steam distilled pine oil of high quality is still the most economical and best frothing reagent barmor steam distilled pine oil is classed generally as being the highest quality steam distilled pine oil it is available in i quantity and at convenient distributing points for quick and economical shipment POWDER incorporated market street wilmington delaware |