Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 137,332 pages of information and 220,558 images on early companies, their products and the people who designed and built them.
Prentice's Gun Cotton Works, of Stowmarket.
1856 Business founded
1871 Explosion at Stowmarket Works. 
1891 The company was registered on 4 August, to acquire the business of chemical manufacturers of the firm of the same name.
1929 In response to deterioration in the business climate, Packard and James Fison (Thetford) Limited amalgamated with 2 East Anglian competitors Joseph Fison and Co and Prentice Brothers (founded 1856); the resultant company was named Fison, Packard and Prentice Ltd..