. Railway mechanical engineer . of treated car material is a good policy and fits inwell with the present desire and need for economy, whereverthat may be practicably applied. Treated material can be used in practically every type ofcar. Whenever creosoted timber is not suitable because ofthe fear of contaminating lading, the lumber may be treatedwith zinc chloride, sodium fluoride, etc. Methods of treat-ment are standardized and each standard treatment has its own record of achievement under suitable exists no insurmountable obstacle to the practice ofwood preservation in
. Railway mechanical engineer . of treated car material is a good policy and fits inwell with the present desire and need for economy, whereverthat may be practicably applied. Treated material can be used in practically every type ofcar. Whenever creosoted timber is not suitable because ofthe fear of contaminating lading, the lumber may be treatedwith zinc chloride, sodium fluoride, etc. Methods of treat-ment are standardized and each standard treatment has its own record of achievement under suitable exists no insurmountable obstacle to the practice ofwood preservation in car construction. Refrigerator cars have been in service for between 7 and10 years with treated sills. At first they were brush treatedwith creosote and when this had proved worth while the sillswere creosoted by the open tank process. To the treated sillswere added creosoted sub-flooring and roofing for the under-course. More important still, never have the owners receiveda complaint that lading has been contaminated, although. Open Tank Creosoting Plant for Treating No. 1 Common YellowPine Car Sills; Treated Sills Show No Decay After Four to SixYears Service some cars of the latter type have been in meat service forover a year. When speaking of treated timber for freight cars one natu-rally thinks first of stock cars, and these surely provide theLtreatest opportunity for saving in this direction. Stock carswith creosoted sills and decking have been in service forabout 12 years without a single repair due to decay, where
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroadengineering
