Researching Food History : Baltimore's Patapsco Baking Powder
William Pitt Clotworthy (1829Ireland-1902) of Baltimore invented and patented Patapsco Baking Powder. The following excerpt from Howard's T...| researchingfoodhistory.blogspot.com
William Pitt Clotworthy (1829Ireland-1902) of Baltimore invented and patented Patapsco Baking Powder. The following excerpt from Howard's T...| researchingfoodhistory.blogspot.com
