Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 262
lar in its general external form, and is dividedinto two equal chambers by a vertical partition, which is open at the bottom.as shown. Mercury is introduced into the gage as suggested at .1/ and .V.and to ascertain the difference in pressure between the two chambers we haveinly to observe the… … | M I j£&99599059595S9999999S9S509995999S94% Fig. 2.— Dtagram of Thiesen and Scheels Apparatus. tinguishing feature is the means that are employed to measure the differenceof level between M and Ar with a high degree of precision. For this pur-pose the front and back of each of the chambers is…
Locomotives · Steam-boiler explosions
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