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Slide Valve Gears: A New Graphical Method for Analyzing the Action of Slide Valves, Moved by Eccentrics, Link-Motions and Cut-Off Gears, Offering Easy . Establishing the Comparative Merits of Thei
Hugo Bilgram
Воспроизведено в оригинальной авторской орфографии.
Involuntary idleness. An exposition of the cause of the discrepancy existing between the supply of, and the demand for labor and its products
