Connected with the cushion is a pressure gauge, and a tube with a cock, for charging the cushion with air from the lungs.
A pressure gauge can also be fitted, although it is not in any way a necessity.
The switchboard went up, and the pressure gauge, and the wiring for the power-house light.
In that instant, as Scotty attached the pressure gauge, the valve blew out!
The device is provided with a pressure gauge and an air cock.
Scotty swung one tank upright and prepared to attach the pressure gauge.
The boilers of steam engines are provided with a water gauge and a steam or pressure gauge.
A pressure gauge convenient to the operator indicates this pressure, and a valve enables the operator to control it.
The boiler was fitted with one spring safety valve, which was screwed down tight, but there was no pressure gauge.
The force required for this purpose was judged of by the diminution of volume of the air in the pressure gauge.