HUMPHREY, Herbert. On an Internal Combustion Pump, and other applications of a new principle... 1910

HUMPHREY, Herbert Alfred (1868-1951).  On an Internal Combustion Pump, and other applications of a new principle. Excerpt Minutes of Proceedings of the Meetings of The Institution of Mechanical Engineers, in London, 19th November and 3rd December 1909.  London, published by The Institution, 1910.  4to.; 125 pp., con 33 ilustraciones entre el texto.  Cubiertas originales, salvadas en encuadernación en tela.

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