ons for his feed injector without of his three colaborers two had suddenly died, David and movable parts, and with conical tubes and free interval. that mark an epoch, suchas the printing press of Gutenberg, Sciama, and the third, Cohen, the enamels of Bernard de Pa- had used up his financial re-… … regulator valve, in 1857, with boldness. A single example will Flaud, whose shops had grown, suffice to demonstrate this, since tbat he took up again the pro- at that epoch he caused to be blem of feeding boilers, and obtained a patent (February, 1858) for a system operating by centrifugal force.…
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