Check the tare weight or (TW) on the tank this is the weight of the cylinder empty. TW 18.5 would be the weight of the bottle empty. If you weigh your bottle and it weighs say 27 pounds 27-18.5=8.5 pounds left in the cylinder. You can tell if a propane tank is empty by shaking it an listening to it.
On September 13, 2014, Fort McHenry in Baltimore held a 200th anniversary celebration to mark the writing of the âStar Spangled Banner.â (Getty) âThe Star Spangled Bannerâ has been the official U.S. National Anthem since 1931 and is commonly heard today before sporting events and other patriotic gatherings. The lyrics â at least those to the first verse â have become ingrained in Americaâs culture, as much as apple pie and baseball.
The words to the poem were put to music at a later time (a British drinking tune). The song was popular, but did not become the U.S. National Anthem until 1931; Congress passed the bill naming The Star Spangled Banner as the U.S. National Anthem, and President Herbert Hoover signed it into Law.ttp://americanhistory.si.edu/starspangl... âThe Star-Spangled Bannerâ was officially made the national anthem by Congress in 1931, although it already had been adopted as such by the army and the navy.