![Group Gretna girls in World War One.](https://www.devilsporridge.org.uk/wp-content/uploads/2020/02/girls-in-a-group.jpg)
The Devil’s Porridge Museum’s main focus is on HM Factory Gretna, the greatest factory on earth in World War One. It employed 30,000 people in the production of cordite (aka the devil’s porridge). 12,000 of these workers were women.
![women who worked at hm factory gretna](https://www.devilsporridge.org.uk/wp-content/uploads/2020/02/DSCF9566.jpg)
A display within the Museum.