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Speck of Gas. Engineers long ago learned that metals contain absorbed gases. Recently they learned that in lubrication the oil soaks into metal, oozes out when the machine operates (TIME, June 13). How deep into the metal does a gas go, skin-deep or throughout? Dr. Abraham Lincoln Marshall proved?with special heating, evacuating and analyzing devices ?that gas thoroughly permeates metal. From a piece of molybdenum he extracted a speck of gas one-eighth the volume of a common pin, one 100-millionth of an ounce. Dr. Marshall found it a mixture of 43% carbon monoxide, 57% nitrogen...
Lever locks are better. They contain two or more thin, spring-action levers. Each lever must be raised to a certain, precise position before they will permit the key to engage the bolt. Ordinarily only keys whose bits are properly notched to touch and raise all the levers simultaneously can move the bolt...
Next week's issues will contain several special articles and will carry President Lowell's Baccalaureate Sermon in full. Thursday's issue will be a late morning extra and may be procured immediately after the awarding of degrees...
...members of the President's Cabinet were going as delegates to speed his renomination. Secretaries of State Stimson and of the Treasury Mills could be spotted under the New York placard. Secretary of War Hurley, aggressive and smiling, would be with his fellow Oklahomans. The Missouri contingent would contain Secretary of Agriculture Hyde, the Virginia delegation Secretary of Labor Doak. But of all the Senators, Congressmen and Cabinet members present none would compare in influence and importance to Postmaster General Walter Folger Brown of Ohio, President Hoover's pre-convention manager and his personal representative at Chicago...
...Senior Album of the Class of 1932 will go on sale on Friday, it was announced yesterday by R. N. Clark, Jr. '32, Chairman of the Senior Album Committee. The year-book, the forty-third to be published by a Harvard Senior Class, will contain several new features...