Q: I need help identifying a specific Pennsylvania RR steam engine. The number on the cab was 1299. What class was this ...

An immense amount of time and money has been expended upon new and ingenious cut-offs for steam engines. Each in its turn, as it was brought before the public, was supposed to excel its ...

A mechanic of this city has constructed and set in motion a steam engine on the novel but obvious plan of working the “ inlet and ou,tlet valves “ by the direct' action of steam, instead of ...