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: Inventor of the Steam Locomotive Engine. The first passenger carriage in Europe, 1830, George StephensonÂ´s steam locomotive, Liverpool and Manchester Railway.