Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 162
amount by the head due to the column of mercury that stands in the bulb and itsstem. To find the length of this column, Regnault proceeded as follows: He had pro-vided a small screw, t, with conical but slightly rounded ends, and he now brought thelower end of this screw into exact contact with the… … Fig. Apparatus for Cooling the Air to the Freezing Point. the bulb warmed up, but no mercury could flow out of the bulb, because the tip of itsstem had been plugged with wax. When the apparatus had attained the temperatureof the room in which it stood, the difference in level between the mercury in…
Locomotives · Steam-boiler explosions
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