Stationary Steam Engines, Simple and Compound - Especially as Adapted to Light and Power Plants #251563

On reviewing the whole history of the engine to date, it will be seen that progress continues in the directions al ready pointed Out and towards still higher steam-pressures, higher speeds of piston and of rotation, increased ratios of expansion in multiple-cylinder engines, and with constant reduction of the now well-understood waste which distin guish the real from the ideal steam-engine.