Kirkman, Marshall M. (Marshall Monroe), 1842-1921 · New York and Chicago, The World railway publishing company · leaf 110
eof all accurate pressuregauges. THE ASHCROFT GAUGES.These gauges have non-corrosive movements andare constructed of Bourdon springs of seamless drawntubing. Fig. 16 shows the interiormechanism of the single Bour-don spring steam gauge, andFig. 17 the same of the doubleBourdon springaddition… … gauge with the Fig. 16. Ashcroft Single RourdonSpring Steam Gauge.
Locomotives
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