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Extra resources for A history of the growth of the steam-engine
17) was very similar to the gunpowder engine already described as the invention of Huyghens. html (43 of 47)10/26/2006 12:30:20 Chapter 1 Fig. -Papin's engine. soon raises the piston, B, to the top, where a latch, E, engaging a notch in the piston rod, W; holds it up until it is desired that it shall 1 " Acta Eruditorum," Leipsic, 1690. drop. The fire being removed, the steam condenses, and a vacuum is formed below the piston, and the latch, E, being disengaged, the piston is driven down by the super incumbent atmosphere and raises the weight which has been, meantime, attached to a rope, L, passing from the piston rod over pulleys, T T.
In a reprint describing his invention, in 1695, Papin gives a description of a " newly invented furnace," a kind of fire box steam boiler, in which the fire, completely surrounded by water, makes steam so rapidly that his engine could be driven at the rate of four strokes per minute by the steam supplied by it. Papin also proposed the use of a peculiar form of furnace with this engine, which, embodying as it does some suggestions that very probably have since been attributed to later inventors, deserves special notice.
Again disappointed, Papin once more visited England, to renew his acquaintance with the servants of the Royal Society; but Boyle had died during the period which Papin had spent in Germany, and the unhappy and disheartened inventor and philosopher died in 1810, without having seen any one of his many devices and ingenious inventions a practical success. html (47 of 47)10/26/2006 12:30:20 Chapter2 text CHAPTER II. THE STEAM-ENGINE AS A TRAIN OF MECHANISM "The introduction of new inventions seems to be the very chief of all human Actions.