The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 320
ill tirst speak ofit. Some years ago I was engaged in designing an engine which it wasdesirable to compress into the smallest possible bulk. The chief diffi-culty was the air pump and its attachments, which, if the ordinaryarrangement was adopted, would occupy valuable space and makethe engine… … Fig. 2. the vessel, which, at a convenient distance aft, diverges into twobranches, which branch pipes again respectively debouch into the seanear the stern. D is a double hinge valve, moveable by a brass rodpassing through a stuffing box on the top of the pipe. By this rodthe valve D may be thrown…
Architecture · Civil engineering · Science
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