In 1769 Watt sought and obtained a patent for a "new method for lessening the consumption of steam and fuel in fire engines". In 1776, he built an engine with a cylinder of 127 cm diameter to pump ...

The RARH Cylinders include tough aluminum construction which provides a lower weight solution as compared with steel cylinders. Performance and durability are not compromised by their reduced ...

Space pioneer Dr. Robert H. Goddard stands with his rocket with the double-acting engine in November 1925, following more than two years of pump development based on the idea of a separate pump for ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

The subject of Professor Hall's lecture in the Jefferson Physical Laboratory last evening was "The History and Theory of the Steam Engine." The lecture was illustrated by stereopticon views and ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...