National Geographic : 1946 Feb
Deane Dickason from Ewing Galloway Cassava, Java's Bread and America's Tapioca, Dries in Bamboo Trays Near Bandoeng The average Javanese farmer has a patch of large, starchy cassava plants. Bitter cassava root contains prussic acid. When itisbaked into thin, round cakes, heat elimi nates the poison. Sweet cassava is a harmless vegetable. Tapioca is made by hanging damp flour in bags, where itforms pudding's familiar "fish eyes."