Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 97
withvapor of the particular density corresponding to the temperature to which thebarometric column is exposed. The mercury column in the tube containing thewater will meanwhile fall by an amount which, roughly speaking, corresponds to 88 THE LOCOMOTIVE [July, the pressure of the water vapor, at the… … Fig. i. — Regnaults Apparatus for Low Pressures. 1906.] THE LOCOMOTIVE. 89 saturated, it is necessary to introduce a slight excess of water, over and abovethat which would be sufficient to just saturate the space in the barometer; andif this excess remains in contact with the top of the mercury…
Locomotives · Steam-boiler explosions
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