This section is from the book "A Treatise On Beverages or The Complete Practical Bottler", by Charles Herman Sulz. Also available from Amazon: A Treatise On Beverages.
Prepare as follows: One pound of soap made of cocoanut oil is cut into small pieces and heated with sufficient water to get a thick jelly-like mass. Mix one pound of red oxide of iron with some water, add 1/2 ounce carbonate of ammonia, and, when the soap jelly has become cold, combine both mixtures thoroughly.
This mass can be kept in stoneware jars, closed with a bladder, ready for use, and is also a valuable means for cleansing metals.