Ludwig Ritter von Köchel since undergone revisions. Mozart's works are often referred to by their K-numbers ("cf." opus number); for example, the "Jupiter" symphony, "Symphony No. 41" K. 551. Moreover, Köchel arranged Mozart's works into twenty-four categories, which were used by Breitkopf & Härtel when they published the first complete edition of Mozart's works from 1877 to 1910, a venture partly funded by Köchel. He also catalogued the works of Johann Fux. Ludwig Ritter von Köchel Ludwig Alois Friedrich Ritter von Köchel (; 14 January 1800 – 3 June 1877) was an Austrian musicologist, writer, composer, botanist and publisher. He is best known for
Rogers Locomotive and Machine Works numbers are listed, they are given in chronological order for the locomotives; all locations are in the United States unless noted. Rogers Locomotive and Machine Works Rogers Locomotive and Machine Works was a 19th-century manufacturer of railroad steam locomotives based in Paterson, in Passaic County, New Jersey, in the United States. It built more than six thousand steam locomotives for railroads around the world. Most railroads in 19th-century United States rostered at least one Rogers-built locomotive. The company's most famous product was a locomotive named "The General", built in December 1855, which was one of the principals of the Great