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.
The first steam locomotive was invented by Richard Trevithick in 1804, it pulled ore trains in South Wales-replacing the horses that pulled them before.It's top speed was under 10 mph. Note that the 'concept' of train predated this by many centuries.he first train in the US was not considered an invention, but was built in Quincy, MA to move granite from a quarry. It used both gravity and horses to move the trains alon â¦ g the 5 foot gauge railway.