Appleton's dictionary of machines, mechanics, engine-work, and engineering (1869)
New York, Appleton · leaf 61
tween the cylinder of the steam-engine and that of the indicator; in the high-pressure indicator thiscock is formed witli a screw at its lower end, for the purpose of attaching it to the socket-cock, which ispermanently fixed to the cylinder cover, while, in the instrument as adapted to… … i owards the middle of the piston-rod 6 6a small stud d is fixed immovably by soldering, and to it isscrewed a brass disk, having the end of a spiral spring D soldered into it. The opposite extremity olthis spring is secured, in the case of the high-pressure indicator, to the steam-cylinder, and in…
Mechanical engineering
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