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.

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 ...