Science: Testers' 25th

A thousand members of the American Society for Testing Materials (A.S.T.M.) went to French Lick, Ind., last week for their 25th annual convention. There, in haunts usually filled by politicians clandestinely trading their influences, testers frankly presented 80 reports and papers on various metals, cements, ceramics, paints, oils, petroleum products, timber, coal, coke, rubber, textiles, etc.

Barnacles, woe of ship masters who know how seriously the clinging crustacea retard ship speed, dislike a paint containing a combination of copper and mercury, explained Dr. Anthony Moultrie Muckenfuss, research chemist of Perth Amboy,...

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