Abstract :
The American Society for Testing Materials has recently issued a special reprint pamphlet covering methods for testing insulating materials. This pamphlet covers all such methods prepared by Committee D-9, as well as the annual report of the committee presented at the June meeting of the Society, French Lick, Ind. In addition to the Standards and Tentative Standards now in force, there is included as an appendix to the report a description of the latest method of making the life test of transformer oils. The pamphlet contains 130 pages, and is now available for distribution at the following rates: 1 to 9 copies, 80 cents; 10 to 24 copies, 70 cents; 25 copies and over, 65 cents. Address American Society for Testing Materials, 1315 Spruce Street, Philadelphia, Pa.
