A form of apparatus often used for testing specimens of steel consists of a small electric furnace in which to heat the specimen, and a special thermo-couple pyrometer (see  Pyrometers ) for indicating the range of temperatures through which the steel passes.
Where the American Civil War Began. Decades of growing strife between North and South erupted in civil war on April 12, 1861, when Confederate artillery opened fire on this Federal fort in Charleston Harbor. Fort Sumter surrendered 34 hours later. Union forces would try for nearly four years to take it back.
First English Civil War - Overview. 1  Convention uses the name The English Civil War (1642â1651) to refer collectively to the civil wars in England and the Scottish Civil War, which began with the raising of King Charles I's standard at Nottingham on 22 August 1642, and ended on 3 September 1651 at the Battle of Worcester.