from The Century Dictionary and Cyclopedia
- n. Any valve, opening from without inward, through which a fluid may pass into a vessel; specifically, in motors, a valve through which motor fluid enters a cylinder.
Sorry, no etymologies found.
One of these magnets closes an exhaust-valve, and the other opens an inlet-valve, in the compressed air tank.
In it are three round openings filled with the thickest plate-glass and protected by brass bars or guards; also an outlet-valve to allow the foul air to escape; a short metal tube with an inlet-valve, to which the air-pump is screwed; and a regulating cock for getting rid of excess of air.