Word: alloy
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Dates: during 1930-1939
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...Manhattan the President and Board of Directors of Rockefeller Center, Inc. mailed out big 11" x 8½"), formal, engraved invitations requesting "the honour of your presence at a ceremony in the course of which Mr. John D. Rockefeller, Jr. will drive the last rivet [of silver alloy] in the fourteenth and final building of Rockefeller Center on Wednesday afternoon, November first...
...obsolete mills and reach 100%. Efficient high-speed producers, like Chicago's Inland, Cleveland's Otis, Detroit's Great Lakes (division of National) were reported to be sold out at 100% of production until well into 1940. Syracuse's Crucible Steel, No. 1 specialist in alloy steels for gun and shell forgings, automobile and aircraft parts, was booked solid through January 1, In the industry's tin plate division, which normally loafs after Labor Day, U. S. Steel's modern tin mill, Pittsburgh's huge Irvin works was so jammed that...
...world and last week the price of the metal was down to about $11. Not quite twice as heavy as water, beryllium is one of the lightest of all metals. It is a third lighter than aluminum. Chemically wedded to copper or nickel, it makes an extremely hard, tough alloy. Nickel with only 2% of beryllium in it has a tensile strength of 260,000 pounds per square inch, as against 90,000 for stainless steel. Moreover, this nickel-beryllium alloy maintains high tensile strength and resistance to "fatigue" up to temperatures around 1,000° C. For some time...
...insert a peg in the socket of the extracted tooth, then cement a false tooth to the protruding end of the peg. But he never dared to do it, for he knew metal pegs might induce mouth irritation. Two years ago Dr. Strock decided to try the new alloy, vitallium. Vitallium is the most satisfactory metal doctors use for patching fractures. Fortnight ago, in the American Journal of Orthodontics and Oral Surgery, Dr. Strock told how he used inexpensive vitallium for making successful peg teeth. Into the gaping socket of a willing patient, who was first given a local anesthetic...
...better & better models in rapid succession. He swapped little information with other manufacturers, became known as a sombre lone wolf. From the Cleveland plant came the first plane built specifically for mail service, the first metal American monoplane, of which the Navy bought 36, the first bomber with an alloy-steel fuselage, of which the Navy bought...