Complex sentence: Elliott Brothers (London) Ltd was an early computer company of the 1950s--60s in the United Kingdom, tracing its descent from a firm of instrument makers founded by William Elliott in London around 1804.
Split into simpler sentences: Elliott Brothers (London) Ltd was an early computer company of the 1950s--60s in the United Kingdom. It traced its descent from a firm of instrument makers founded by William Elliott in London around 1804.