Technically, steam engines have existed since the 1st century ... As it did, the sphere revolved on its axis. This was one very early, very small-scale example of the power of steam, something ...

Some early steam cars worked well, and some did not. Some were fire pumpers that moved by themselves, and others were small locomotives with road wheels. Beginning in the 1880s, inventors tried very ...

Although the paddle wheel antedates the Christian era, the earliest recorded attempt to utilize steam to turn the paddle ... adapted for low pressures. The engine drove paddle wheels SitUated ...

The governor valve is therefore operated by resistance which increases as the undue velocity of the engine increases, to cut offthe steam early when necessary. Measures have been taken to secure a ...

To see a sphere whizzing about trailing plumes of steam while ... two millennia early boggles the mind. And while we’ve seen far, far simpler versions of Hero’s Engine before, this one really ...

A fleet of dedicated volunteers and staff have spent months working to return the 1911 Petrie engine to its former glory.