PART 2: The Stationary Steam Engine

摘要

The atmospheric steam engine: The main limitation of the water wheel was the inflexibility of the natural supply of water. Waterwheel pumping was only viable where a source of water with a sufficient hydraulic head and quantity coincided with the location of the pit shaft. The market for Thomas Newcomen's steam pumping engine (photo 5) was to be found where these advantages did not occur.