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 attempts were made in Great Britain; the earliest steam rail locomotive was built in 1804 by Richard Trevithick and Andrew Vivian.he steam road Locomotive was invented by Richard Trevithick, but the first steam RAILWAY Locomotive was invented by George Stephenson. A Scottish inventor called William Murd â¦ och, made the first Locomotive Prototype. Hope this helps! 2 people found this useful.