Special to The New York Times. TimesMachine is an exclusive benefit for home delivery and digital subscribers. About the Archive This is a digitized version of an article from The Times’s print ...
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 ...
TO railway engineers Bulletin no of the University of Illinois is of special interest, because it contains a report of some experiments on train resistance carried out by the experimental station of ...
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