The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 31
ton-rod and secured to it by a plug d, orit may lie cast on to the end of the piston-rod : in the centre ofthe piston is a hemispheiical socket, into which the globe c is fitted and secured to it by means of a cap e firmly bolted to the hemi-spherical socket ; the arms have strengthening flanges on… … metallic rings are placed in the annular chamber between thecovers y g^ and held in their places by means of vertical and hori-zontal springs, hut not necessarily steam-tight, as that will beeffected by admitting steam into this annular chamber of the pistonhy means of a double-acting valve, hy…
Architecture · Civil engineering · Science
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