Before the steam engine can be called an economical power, our modern system of boilers must be immensely improved, or an entirely new system of applying the heat to the water must be contrived.

All boilers foam, though it is not impossible to construct ... It is stated, in the course of the run it became necessary to shut off the steam from the engines, for some cause, and thus the ...

It all worked in the end, enough so that the engine managed 42,000 RPM on a test with compressed air. We eagerly await the equally tiny boiler for a live steam test.

Steam engine makers have been- occupied ... First—The entire machine, including its boiler, occupies no more room than, an ordinary turning lathe. Second—It is as easy pat together as ...