Evolution of Canning Equipment
Whether a homemade or commercial canner is used it is necessary to assemble certain utensils which are found ordinarily in every home.
--Creswell, M. E. & Powell, O. (1917). Home canning of fruits and vegetables: as taught to canning club members in the southern states. United States Department of Agriculture: Farmers' Bulletin, 853. Retrieved from https://archive.org/details/CAT87202342