Not only is it the biggest steam locomotive in operation, it's one of just eight still in existence. The American Locomotive Company built just 25 Big Boy models for Union Pacific during World War II.

The biggest models were used almost exclusively ... Despite such accidents, by 1900 some 5,000 large steam traction engines a year were being made. But the steady improvement of internal ...

Model steam engines have intrigued hackers and makers for over 100 years. Many of us have seen old steam engine models up for sale at garage sales and various internet auction sites. The problem ...

Of late years the attention of inventors has been di-rf S,ed to the application of steam to the suction and forcing of water in fire engines ; and many powerful fire engines worked exclusively by ...