by 3 hours ago
ANSWERS: 6
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Thomas Savery and Thomas Newcomen are credited with jointly developing modern steam engines. The first practical model was developed in 1712. James Watt is sometimes credited as being the 'father of the steam engine', but his contribution was a refinement of the Savery-Newcomen design in 1769. http://en.wikipedia.org/wiki/Steam_engine
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James Watt. 1765.
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The first commercial railway (cited as a passenger service)was Middleton Railways in England. Their first loco (the Salamanca) started passenger service in 1812. It was an 0-6-0 configeration which is still used by shunting engines today. The first static steam engine was Watt and the first steam locomotive was by Richard Trevithick in 1804. He is commemorated on the £2 coin.
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I believe it was invented by a Greek, Plato comes to mind but not sure if he was the one but of that era. It is also credited with being the first jet engine. It was a sphere with two angled spouts on opposite sides. The sphere was suspended on an axel. the sphere was partly filled with water. A small fire was built under the sphere. When the water boiled the steam pressure exited the angled tubes causing the sphere to rotate. At that time there was no practical use for the engine as it had very little power.
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There were crude steam engines in both Ptolomaic (Greek/Macedonian) Egypt and in ancient China at least as early as the Chin dynasty (i.e., by 200 BC in both places). The Chinese even used steam to drive a vehicle, while the Greeks used them apparently only to power winches and various stationary gadgets. We know that Hero of Alexandria made use of steam power in some of his machines, but there is no reason for presuming he was the first to do so.
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