Steam Pressure

Some articles on steam pressure, pressure, steam:

Shipwrecks Of The Inland Columbia River - Boiler Explosion
... Steam pressure was supposed to be reduced during a landing, but this would make it more difficult to get off to a fast start, so too often pressure was kept up even ... Careful steam practice required that the during a landing the fires be well checked, the supply pump be kept working, and steam be released through safety or blow-off valve in order ... away from the shore, perhaps against opposing winds and currents, a good head of steam was needed, and it was better to have too much and not enough ...
Steam Engine - History
... The main articles above cover the history all common types of steam engines and the history of the scientific discoveries leading up to the steam engine ... engines have separate articles that may contain some additional history, including Newcomen steam engine Watt steam engine Cornish engine Corliss steam ... In the following centuries, the few steam-powered "engines" known were, like the aeolipile, essentially experimental devices used by inventors to demonstrate the properties of ...
Steampowered - History - Pumping Engines
... The first commercial steam-powered device was a water pump, developed in 1698 by Thomas Savery ... It used a vacuum to raise water from below, then used steam pressure to raise it higher ... by creating a partial vacuum by condensing steam under a piston within a cylinder ...

Famous quotes containing the words pressure and/or steam:

    This is a catastrophic universe, always; and subject to sudden reversals, upheavals, changes, cataclysms, with joy never anything but the song of substance under pressure forced into new forms and shapes.
    Doris Lessing (b. 1919)

    The windows were then closed and the steam turned on. There was a sign up saying that no one could smoke, but you couldn’t help it. You were lucky if you didn’t burst into flames.
    Robert Benchley (1889–1945)