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Samuel Hall's improvements on steam engines consisting of an improved method of condensing the steam and supplying water to the boilers of such steam engines as are wrought by vacuum produced by condensation, an improved method of lubricating engine pistons, piston rods and valves or cocks, and an improved piston and valve.

Bibliographic Details
Main Author: Hall, Samuel, b. 1781.
Corporate Author: Making of the Modern World
Format: Online Book
Published: [England : s.n.], 1834
Online Access:Full text online
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