A history of the growth of the steam-engine . 41.—Leiipold8 Engine, 1720. boiler is then led into the cylinder, s, and the steam in r isdischarged into the atmosphere. Leupold states that he is indebted to Papin for the sug-gestion of the peculiar valve here used. He also proposedto use a Savery engine without condensation in raisingwater. We have no evidence that this engine was everbuilt. The first rude scheme for applying steam to locomotionon land was probably that of Isaac Newton, who, in 1680,proposed the machine shown in the accompanying figure(42), which will be recognized as represent
A history of the growth of the steam-engine . 41.—Leiipold8 Engine, 1720. boiler is then led into the cylinder, s, and the steam in r isdischarged into the atmosphere. Leupold states that he is indebted to Papin for the sug-gestion of the peculiar valve here used. He also proposedto use a Savery engine without condensation in raisingwater. We have no evidence that this engine was everbuilt. The first rude scheme for applying steam to locomotionon land was probably that of Isaac Newton, who, in 1680,proposed the machine shown in the accompanying figure(42), which will be recognized as representing the scientific • Vide Theatrum Machinarum, vol. iii., Tab. 30. STEAM-LOCOMOTION ON BAILROADS. 149 toy whicli is found in nearly every collection of illustrativephilosophical apparatus. As described in the Explanationof the Newtonian Philosophy, it consists of a sphericalboiler, B, mounted on a carriage. Steam issuing from the. Fie. 42.—UTewtons Steam-Carriage, 16S0. pipe, C, seen pointing directly backward, by its reactionupon the carriage, drives the latter ahead. The driver, sit-ting at A, controls the steam by the handle, E, and cock,F. The fire is seen at Z>. When, at the end of the eighteenth century, the steam-engine had been so far perfected that the possibility of itssuccessful application to locomotion had become fully andvery generally recognized, the problem of adapting it tolocomotion on land was attacked by many inventors. Dr. Robison had, as far back as in 1759, proposed it toJames Watt during one of their conferences, at a timewhen the latter -was even more ignorant than the former ofthe principles which were involved in the construction of thesteam-engine, and this suggestion may have had some influ-ence in determining Watt to pursue his research ; thus set-ting in operation that train of thoughtful investigation andexperiment which finally earned for him his splendid fame. In 1765, tha
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Keywords: ., bookcentury1800, bookdecade1870, bookidc, booksubjectsteamengines
