Deptford Chemical Works
c.1840 Frank Clarke Hills developed a steam road vehicle at the Chemical Works
1849 Explosion at Hill's Chemical Works at Deptford[1]
1849 Frank Clarke Hills, of Deptford, gained a patent on improved method of manufacturing gas[2]
1858 F. C. Hills, chemical manufacturer, Creek St, Deptford[3]
1891 Frank Clarke Hills and Co. (chemical), (T.A. Davies manager), Marsh Lane, Greenwich, Surrey. Listed as manure manufacturer or merchant[4]
By 1893 was F. C. Hills and Co[5]