Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 100
NCES. 91 accurate on a locomotive or any moving machin-ery, as the jolt and jar kept the pointer in such aconstant vibration as to prevent a correct reading ofthe pressure being obtained. Each improvement upon this single Bourdon tubegauge consisted mainly in cutting off a piece of thetube, until… … Fig. 3.Double Bourdon Spring; Gauge. Bourdon tube gauge, which is shown in Fig. 3. Thiswas found to be more satisfactory and free from thetwo former prime objections to the Bourdon tube.The principle of this double Bourdon tube is thesame as of the single tube style, and this principle4can readily…
Locomotives
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