Days of Hot Weather in Naples. Highs in the 80s Fahrenheit are common every month of the year here. And nearly every summer day at Naples reaches into the 90s F. But the thermometer normally stops short of 100 Â°F (38 Â°C). Days per month in Naples of at least 70, 80 or 90 Â°F.
The first steam locomotive was built by Richard Trevithick; it first ran on 21 February 1804, although it was some years before steam locomotive design became economically practical. The first commercial use of a steam locomotive was Salamanca on the narrow gauge Middleton Railway in Leeds in 1812.
George Stephenson was the first inventor of the steam engine locomotive. He used the improvements of the steam engine itself, invented by James Watt, to make a better way of t â¦ ransportation.The purpose of this locomotive was make an easier way to transport and trade goods across the United States.he Greek inventor Hero invented a steam turbine, the aeliopile, sometime around 40 or 50 AD. Thomas Newcomen (1664-1729) was the English inventor (1712) of a practical piston steam engine, initially used to pump water from mines.