Archibald C. Ketchum, of New York City, has invented a new railroad car wheel, by which all parts of the wheel, which are sub-jected to friction upon their becoming worn, can be takei out and ...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...
Participate in the development of rail transportation and related engineering skills for the 21st century through an interdisciplinary and collaborative program that aligns Michigan Tech Faculty and ...
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