This business was apparently founded in about 1818 by George Allen, who was born in Sheffield in about 1794. His first listing in a directory appears to have been in 1837, when he was manufacturing pen knives and razors in Eyre Lane. By 1841, George Allen was listed as a manufacturer of razors, spring-knives, plated spoon-fork, patent convoluter, in Eyre Lane and Duke Street. His residence was in Duke Street, where he lived with his wife Elizabeth and their son Robert (who was born on 16 November 1829).&nbs....