Derby Crown Glass Co
Derby Crown Glass Company
- 1915 Wood Brothers built an extra furnace at Derby Crown Glass, which had been started in 1913 mainly for production of jars for potted meats, toilet cream and for malt[1].
- 1916 Started to manufacture optical glass; the only company which had been making it in the UK up to then was Chance Brothers and Co[2].
- 1919 William Francis John Wood was chairman, and also of the Rylands Glass and Engineering Co Ltd and Wood Brothers Glass Co Ltd[3].
- 1921 Charles Parsons, who was interested in acoustics and in optics, in addition to his other businesses, and organized a special department for the production of searchlight reflectors at Heaton, acquired a controlling interest in the optical firm of Ross Ltd, of Clapham, where he improved the methods of glass-grinding. He also purchased the Derby Crown Glass Co to improve the basic glass. The Parsons Optical Glass Co produced many different types of glass for optical purposes.