The Bakers’ ABC: H is for Hartshorn

An old name for crude ammonium carbonate; the name indicates that it was originally obtained from the distillation of horn shavings. Ammonium carbonate is much used still as an aerating agent in certain kinds of small goods under the name of volatile or “vol”.

From The Baker’s ABC by John Kirkland, formerly Head Teacher of National School of Baking, published 1927 by Gresham

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