Timeline
- 1626
East India Company establish gunpowder mills at Lower Works.
- 1636
New owners supply government; Middle Works development started east of Blacksmith Lane.
- 1642-52
Mills supply Parliament in the English Civil War.
- 1652-54
First Dutch war; Middle Works built on New Cut.
- 1700s
Upper Works ceased; Paper mills at Lower Works; Middle Works development continues.
- 1809
East India Company establish gunpowder mills at Lower Works.
- 1865
Steam power introduced to Middle Works.
- 1870s
All paper mills closed.
- 1882
Smokeless (nitrate) explosives factory built.
- 1885
Chilworth Gunpowder Company, subsidiary of a German company, makes new brown powder and starts expanding east on the site.
- 1901
Explosion at black powder corning house; six men killed (believed to be caused by a slip on a hobnail boot).
- 1915
Admiralty cordite factory built at the Upper Works.
- 1920
All gunpowder works closed.
- 1922—1963
Various buildings used as residences; known locally as ‘tin town’.