A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams . tus. Thevessel is first filled with water through the fun-nel, at the top of the apparatus; the cock a beingleft open and c shut. The gas from the gasome-ter is to be directed into the aperture a. Thecock c is now opened, and b shut, and the vesselwill thus be filled with gas by the expulsion ofthe water at c; when this no longer flows thevessel is full


A London encyclopaedia, or universal dictionary of science, art, literature and practical mechanics : comprising a popular view of the present state of knowledge : illustrated by numerous engravings, a general atlas, and appropriate diagrams . tus. Thevessel is first filled with water through the fun-nel, at the top of the apparatus; the cock a beingleft open and c shut. The gas from the gasome-ter is to be directed into the aperture a. Thecock c is now opened, and b shut, and the vesselwill thus be filled with gas by the expulsion ofthe water at c; when this no longer flows thevessel is full of the gas, and now all the cocksare to be shut till the contents of the air-holderare required for use. See for description andfigures of improved gas-holders, the 13th, 24th,27th, and 44th vols, of the Philosophical Maga-zine. EXPLANATION OF PLATE V. Fi? 1. A Lamp Furnace, improved by It consists of a brass rod, screwed to afoot of the same metal, loaded with lead. Onthis rod, which may be unscrewed in the middle,slide three brass sockets, terminating in brassrings, which rings are for supporting alembics,flasks, retorts, &c. By means of a thumb-screwacting on the rod of the lamp, each of the brass ( I Mi MI STMT. In, I. ? 1 H^^ ?


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Keywords: ., bookcentury1800, bookdecade, booksubjectaeronautics, bookyear1829