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.
To achieve motive steam power would, for the first time in history, allow man to travel on land at a speed faster than that of the domesticated horse. Trevithick's Tramroad Locomotive. In 1802, Richard Trevithick patented a high pressure engine and created the first steam-powered locomotive engine on rails.Trevithick wrote on February 21, 1804, after the trial of his High Pressure Tram-Engine, that he carry'd ten tons of Iron, five wagons, and 70 Men...above 9 miles...in 4 hours and 5 Mints..merican inventors and engineers had been on a parallel course with the British and, as early as 1812, John Stevens had petitioned Congress to support a national railroad. He had also built the first American steam locomotive in 1825.