Duplex Motor Engine Company was established in London in 1906 and operated until approximately 1909. The company focused on the production of automobiles during the early years of the automotive industry in the United Kingdom. The vehicles manufactured by Duplex were notable for their use of a 4-cylinder 2-stroke engine, which initially produced 30 horsepower and was later upgraded to 35 horsepower. The early models featured chain drive systems,…