This had been tried in several different countries before the U.S., but amid World War II, while our nation looked for every opportunity to ship war materials from coast to coast, we dabbled in the ...

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 ...

This article was originally published with the title “ The Steam Engine Indicator ” in Scientific American Magazine Vol. 21 No. 24 (December 1869), p. 378 doi:10.1038 ...

It’s half the size of steam-engine tractors used almost a century earlier, but Tony Benda’s replica of a 65-horsepower 1915 model gathered lots of attention Saturday at The Enid An-tique ...