Imperial Munitions Board

Imperial Munitions Board, established November 1915 in Canada by the British Ministry of Munitions, with Canadian government approval. Headed by J.W.

J.W. Flavelle, businessman
Flavelle rose from humble origins to become one of Canada's most able and influential businessmen (courtesy Library and Archives Canada/C-23692).

Imperial Munitions Board, established November 1915 in Canada by the British Ministry of Munitions, with Canadian government approval. Headed by J.W. Flavelle, a prominent Toronto businessman, the board was responsible for letting contracts on behalf of the British government for the construction of war materials in Canada. It began to establish "national factories," which it owned outright, to produce munitions that private manufacturers were unable to turn out. Under IMB direction Canada produced a wide variety of war materiel including shells, ships, explosives and training planes. The IMB was dissolved in 1919.


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