I is a crank secured by a bar or hub to 1 the valve stem, and connected by a rod to the ordinary eccentric on the main crank shaft of the engine. K is the escape pipe. When the steam is admitted ...

A mechanic of this city has constructed and set in motion a steam engine ... There have been engines in operation in this city for years, which have no valve rods, nor puppet nor slide valves ...

To make such an engine work, valves are required to allow steam to flow into alternating sides of the piston to let it reciprocate continuously. A simple slide valve is used, allowing steam to ...

The Steam Box started as a glimmer of hope ... the touch pads featured in the original prototypes,” Valve said in a statement. The design of this latest version seems to have been finalized ...