Word: metalled
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Dates: during 1950-1959
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...whether it would make an education story for TIME. It did. Froslid reported about the school's 38-year history. its 78-year-old founder-director, Emma Tunnicliff, and its volunteer instructors who tried to help make ends meet by collecting old license plates to sell as scrap metal (TIME, Jan. 28). Since the story appeared, Boston newsmen have found their way to the school, donations by the hundreds have poured in from all over the U.S., and volunteer facultymen are winnowing the more remunerative offers for TV appearances. Last week Emma Tunnicliff said happily: "Thanks to TIME...
...more than enough to run an electronic watch that Elgin is working on. It will also operate small transistor radios, and Elgin researchers believe that it will eventually be used in hearing aids. When worn in close contact with the human body, the battery must be enclosed in a metal shield that makes it as big as a cough drop (0.2 in. thick, 0.6 in. in diameter). For use in military guided missiles, the atomic battery has the important advantage of not being affected much by temperature changes. At -200° F., it yields more current than at room temperature...
Typical of the kind of new product development that helps make this progress possible is Mallory 1000 metal, a unique development of Mallory powder metallurgy. Already providing required balance in the nose of guided missiles, Mallory 1000 is twice as dense as steel or brass and far stronger than lead . . . actually outdoes nature in packing concentrated weight into the smallest possible space. As the pendulum in self-winding wrist watches, the rotor in gyroscopic control mechanisms, counterweights in airplane ailerons, and in dozens of other applications . . . this unique, man-made metal is another example of the way Mallory prepares...
...joint which had been fused by the arthritic inflammation. He sawed off the top of the thigh bone (femur), ground the remaining end of the bone to the right depth and angle. He reamed out a hemispheric cavity in the pelvic bone, to accommodate the socket part of the metal ball-and-socket joint. Dr. Wilson drove a long shaft (bearing the ball) into the marrow cavity and fitted a flange (just below the ball) to the head of the femur. Another flange, on the socket, he screwed to the rim of the acetabulum (the socket cavity in the pelvic...
...Wilson will perform two more such operations, then wait six months to observe results before recommending wide adoption of the Gorman joint. But he has high hopes for it. Moving parts are metal against metal, lubricated by body fluids, so no foreign material is in moving contact with human tissue (which has caused trouble in some earlier plastic and metal restorations). Made of Stellite (a chromium-cobalt alloy), the joint should outlast the life of the recipient, with no corrosion...