Artefacts include coehorn
mortar shells and a musket ball fired by government forces at the Jacobites.
In his journal, North West Company trader Alexander Henry the Younger mentions that in 1808, while in charge of the North West Company post at Pembina, he ordered a carriage built for a Coehorn
Dans sa these soutenue en 1914, Girard de Coehorn
(57) se rejouit des dispositions adoptees envers les nomades, car la loi lui parait d'une utilite tres grande:
Mann organised the production of a number of 5.5 inch Coehorn
mortars in Sydney.