 | 1839 - 230 pages
...of its inventor, and from its digestive . powers on substances exposed to its action. It is a very strong vessel, made of copper, fitted with a thick...render it safe, while being used, there is a valve on the cover, to let out the steam, when it is too violent ; this valve is kept down by a steelyard,... | |
 | Handbook - 1846 - 130 pages
...,. Culm (Welsh).... 5.13 3.35 4.85 2.85 3.56 a vestige of fluid will you discover ; whereas should you inject suddenly a jet of cold water into the kettle,...valve is kept down by a steel-yard, with a weight moveable on it, to regulate the degree of steam. Papin,on one occasion, having fixed things right,... | |
 | Endless amusement - 1820 - 232 pages
...powers on substances exposed to its action. It is a very strong vessel, made of copper, fitted with ยป thick close cover, and fastened down by several strong...render it safe, while being used, there is a valve on the cover to let out the steam, when it is too violent ; this valve is kept down by a steelyard,... | |
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... a melting state; and so penetrating, that it would soften the marrow-bone of an ox, in a few minutes. There is an instrument contrived for the foregoing purposes, called Papin's Digester, from the name of its inventor, and from its digestive powers... 