By turning the stopcock, and readmitting the air into the interior of the globe, it will come asunder as easily as at first.
As long as the stopcock is closed the water cannot rise in the inner tube.
The important point in managing a gas stove is to keep the stopcock turned so that the flame is low.
At the bottom of the drum there is a stopcock to let off the condensed water.
The stopcock is now turned until only the smallest flame exists.
In fact, by opening the stopcock the steam which was before superheated steam, has become common steam.
He knew every inch of plumbing; where every shut-off, valve, ventilator, and stopcock was located.
The latter tube has a very small hole at the bottom, and is provided with a stopcock.
With care, this may often be successfully done even where the break is within 1⁄4 inch of the stopcock.
When a fairly good vacuum has been obtained, the stopcock is opened and the oil slowly fed in.