Spreckels, Walter patent for packaging cube sugarWalter Spreckels patent for packaging cube sugar, 1922.Spreckels, Walter patent for refining sugar processWalter Spreckels patent for refining sugar process, 1932.Family tree of the Spreckels familyFamily tree of the Spreckels family.
Spreckels, Walter patent for packaging cube sugarWalter Spreckels patent for packaging cube sugar, 1922.
Spreckels, Walter patent for refining sugar processWalter Spreckels patent for refining sugar process, 1932.
