In 1764 Watt, an instrument maker at Glasgow University, was asked to repair a working model of Newcomen’s engine. As he did so he saw it wasted steam because its cylinder had to be alternately ...

What seemed to finalize the impact of the Watt engine on the Industrial Revolution was his creation of the double-acting engine. Doubling the efficiency, it condensed steam both above and below ...

Over at mises.org, Michele Boldrin and David K. Levine challenge the standard story of James Watt and the steam engine. Their conclusion: In most ...

An engine indicator is an instrument for graphically recording the cylinder pressure versus piston displacement through an engine stroke cycle. Engineers use the resulting diagram to check the design ...