. Annual report 1919. e Laboratories andthis Laboratory is now taking care of the blue printing for all departments of theCommission. 1920 HYDRO-ELECTRIC POWER COMMISSION 281 Chemical Laboratory The Chemical Laboratory now occupies the new quarters assigned to it. Anassistant chemist has been added to the staff to handle the increasing volume ofwork required of this department. It is hard to classify the work of this Laboratory, much of it is of a semi-routine nature even where the work is in connection with research. One hundredoils and greases, twenty paints, twenty-five varnishes and severa
. Annual report 1919. e Laboratories andthis Laboratory is now taking care of the blue printing for all departments of theCommission. 1920 HYDRO-ELECTRIC POWER COMMISSION 281 Chemical Laboratory The Chemical Laboratory now occupies the new quarters assigned to it. Anassistant chemist has been added to the staff to handle the increasing volume ofwork required of this department. It is hard to classify the work of this Laboratory, much of it is of a semi-routine nature even where the work is in connection with research. One hundredoils and greases, twenty paints, twenty-five varnishes and several hundred analysesof all classes of materials such as rubber, coke, steel and other metals, cement clays,rock, etc., were made during the year. For the convenience of the Stores Depart-ment the Laboratory has been frosting, as needed, small lots of lamps. Approxi-mately 3,000 lamps of all sizes have thus been treated in the last twelve months. Some interesting investigations have been undertaken and completed. Methods. Testing Machine Room—Structural Materials Laboratory. of reclaiming used lubricating oils have been studied and the results have beenvery encouraging. An important series of tests has been made upon paints tofind one capable of withstanding the very severe service conditions encounteredat several points on our system. As a result a number of promising paints havebeen found which are now being given a try out under service conditions. Structural Materials Laboratory The character of the work, handled by this Laboratory has undergone littlechange during the past year and will not be again described. The volume of workhas almost doubled, necessitating both increased staff and additional equipment. Several of these additions to the equipment are of sufficient importance towarrant special mention. A 100,000-pound capacity motor-driven and a 20,000-pound capacity hand-driven Olsen screw testing machine have been installed. 282 TWELFTH ANNUAL REPORT OF THE No. 49 Thes
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