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.
On September 20 it was published in The Baltimore Patriot. Key's brother-in-law suggested he set the words to the tune To Anacreon in Heaven. When the sheet music was published in 1815, the name was changed to The Star Spangled Banner. The song was first adopted by the army and navy as the national anthem. It was officially recognized as the American National Anthem in 1931 by an act of Congress.