Origin of safety valve
Related Words for safety valveoutlet
Examples from the Web for safety valve
Historical Examples of safety valve
It was only a kind of safety-valve by which the detective let off his superfluous steam.Henry Dunbar
M. E. Braddon
The boiler is shown at A and the safety-valve and filler at L.
The safety-valve and filling plug are both shown in Fig. 51.
It was a safety-valve which had worked satisfactorily at the right moment.The Twins of Suffering Creek
It is impossible to over-estimate the value of this safety-valve.The Soul of a People