FOOTNOTE:

[4] Receipt.—Seven lbs. flour, 1 oz. carbonate soda, ¾ oz. citric acid, ¾ oz. common salt, water (cold), about ½ gallon. The salt, soda, and acid being finely powdered and dry, are to be well mixed together; this mixture being well wrought up with the dry flour, the water is to be added in 2 or 3 parts and mingled with the flour as quickly as possible; the dough being put into pans is immediately to be placed in the oven.