From kitchen to battlefield
One imperative of wartime Canada was that nothing should be wasted - so housewives were encouraged to save fats and bones which yielded glycerine, an essential component of explosives.
Canada, National War Services, National Salvage Division, "Save Fats & Bones For Explosives and other materials for War Industries," n.d. [1942?]
War, Memory and Popular Culture Archives - The University of Western Ontario - London, Ontario
s.l., 10.2cm x 17.5cm