The film discusses various types of engines that utilize heat energy for operation. It explains steam engines, which are reciprocating external combustion engines, and compares them to internal ...

This operation should be performed as the water ... yj the last great improvement m the steam engine. Since his time the boiler has been changed, tubular boilers have been introduced, and the ...

ed to the application of steam to the suction and forcing of water in fire engines ; and many powerful fire engines worked exclusively by this force are in successful operation in many of our ...