Show I Chemically Pre Preserved Preserved served p OR n a generation chemical roena 1 tires have been applied to wood od be beCore 9 fore Core belD clog made Into limb telegraph poles iId and railroad ties Also large sums Hums of have hae been spent pent In attempting to secure n a delhi or of on an antiseptic D nature tu that would wood oo under success recently attained gives hope thet vest ast quantities o of woo wood o of quIckly Increasing costliness wi will ho be pre cn lt destructIon hy by chemIcal 1 1 When hen the tho actual results lu in Germany especially arc considered I it It is remarkable that american A manufacturers and large users or of wol nave not paul attention to the matter It wOld be most t to hind In any t or te tec l country an any lego phone lne lIne whose poles mind tl ties we were r not saturated wih ith pr tires to A AGerman U rein relating tn approximatelY German companies have C been regards these chemically treated pole poes poles worst put JD in the ground from Crom to or Of these over 30 years larr old Ic per cent were soun sound and opa blo bitt ot of much ion or service Pole let act in ID inid id show 10 per cent still standing and nud In apparently good condition a pole will lost last about 18 years which is fully I double wi the usefulness s obtained from the poles The Tho most l chemIcals employed to preserve wll wood are chloride or at zinc creosote ansi and by Au An Another ot of mercurY mercur other Is impregnation by tina In which case the saving JI Is forced l Into the fiber o of the timber by o of wlter water pressure Yet another scheme consists its 10 putting the pores poles In lmke 1111 filled wl the chemical pr pro antI and then air is IR forced through under strong mind the tho S omen lt iata tha ua |