ower part, F, of the vessel, C. The heat of this pan is while the upper part, G, is sufficient to evaporate the nearly filled with water. grease but is not sufficient to By tipping the vessel either decompose much of it into permanent gas. As the vapor rises and fills the upper part of the… … has the property of absorbing its own volume of carbonic pump. ‘The patent for the invention above described was pro- acid, and as a larger quantity of the gas is contained in cured, through the Scientific American Patent Agency, a given volume when it is condensed by pressure than April 27, 1858,…
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