An ounce is a unit of weight which is approximately equal to 28  grams. One gallon is equal to 128 ounces so there are 640 ounces in  5 gallons of water.
The first U.S. railroad to use a steam locomotive in revenue service was the South Carolina Railroad. It opened on Christmas Day 1830 using the Best Friend of Charleston steam locomotive on six miles of track in Charleston, South Carolina.
1 1803 â First public railway was created in London. It transported goods via horse power on the line that was 14 km long.  1804 â Englishman Matthew Murray created first steam based locomotive in Leeds. Richard Trevithick showcased his locomotive in public.