In Fig. 15 we have an illustration of the principle of an injector.
A form of injector very commonly used is Giffard's (Fig. 16).
Now, what sort of a fool-sort of an injector has Eustis loaded on to this rig this time?
After steam is up the boiler should be supplied with water by a pump or injector.
What is an injector, and what is the principle of its operation?
If injector is used this is not so material as feed water is always hot.
If a larger proportion of acid is used it is likely to spoil the injector.
There is an independent pump; also injector, and all attachments.
The injector is operated by the opening or closing of the globe valves.
In doing so my hand touched the water pipe to the injector—it was hot.
