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Browsing named entities in Knight's Mechanical Encyclopedia (ed. Knight). You can also browse the collection for Worcester (United Kingdom) or search for Worcester (United Kingdom) in all documents.

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apor-boilers. Cleaners. Circulation. Condensers. Coverings. Draft regulators. Fire-tube boilers. Flashers. Flue and tubular. Furnaces. Furnaces, hydrocarbon. Grates and grate-bars. Heaters and feeders. Incrustation. Indicators. Sectional. Spark-arresters. Superheaters. Tubes and flues. Water fire-boxes. Water-tube. Miscellaneous. The early form of steam-generator was a sphere, as seen in the Aeolipile of Hero; the boilers of Worcester, Papin, and Savery. The flue wound spirally around the outside. For this was substituted a boiler with a hemispherical top and flat or arched bottom; as in those of Newcomen and Leupold. The wagon-boiler — so called from its shape, resembling a wagon with a tilt — was used by Watt, and continues to be used to the present day. It has some variation in its forms, and the sides are sometimes strengthened by stays against collapsing or bulging. It is only used with low pressures.