Welding welding was invented in 1893, and around that time another process, oxyfuel welding, became well established. Acetylene was discovered in 1836 by Edmund Davy, but its use was not practical in welding until about 1900, when a suitable torch was developed. At first, oxyfuel welding was one of the more popular welding methods due to its portability and relatively low cost. As the 20th century progressed, however, it fell out of favor for industrial applications. It was largely replaced with arc welding, as advances in metal coverings (known as flux) were made. Flux covering the electrode primarily shields the base
National Theatre, Boston (1836) National Theatre, Boston (1836) The National Theatre (1836-1863) was a theatre in the West End of Boston, Massachusetts, in the mid-19th century. William Pelby established the enterprise in 1836, and presented productions of "original pieces, and the efforts of a well selected stock company, which, with few exceptions, have been American. The scenery is of the highest order, and the business of the stage well directed. Mr C.A. Eaton made his debut at this theatre, and here Mr. F.S. Hill's early labors were eminently successful. Mr. J.S. Jones has written and produced on this stage thirty pieces, embracing every department