Henry Rzepa (Rzepa) on Wikimedia Commons Sir William Henry Perkin established on this site in 1857 the first synthetic dye factory in the world. Respice prospice. 1838-1907. Howdens Joinery, Oldfirled Lane North, Greenford, London 1 Jan 1957 replaced by #10010 by Royal Society of Chemistry in 1957 Colour: blue Wikimedia: Flickr: Plaque is now missing Google Streetview OpenStreetMap See also... Brian Cooper on Flickr Holly Cranmer on Wikimedia Commons
