The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 180
of the chamber F, though straight from L to I,is curved like a trough in the cross diameter, as shown by the curveunder f, to conduct all the mercury through the hole i or l, whichevermay be opposite the acting tube. • Mr. Il-Ewen intends that an alarm-whistle le placed in this opening,and also… … For the sake o ^perspicuity, only one side opening from the plug Bhas been adverted to. But the plug is always made with three open-ings, as shown in fig. 2, at c, m, and N ; by which it will be seen thatit is impossi6/e to shut more than one of the chambers, D or J, at thesame time. The engineer,…
Architecture · Civil engineering · Science
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