Encyclopedia of Practical Receipts and Processes

How to silver a mirror, brew ginger beer, kill moths, make fireworks, tan a hide, bronze iron, cure a ham and clean a straw hat: William B. Dick's numbered encyclopedia answered the questions a nineteenth-century household actually had.

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To Harden Ivory

To harden ivory after it has been softened, wrap it up in a sheet of white paper, cover it with dry, decrepitated salt, and lay it by for 24 hours, when it will be restored to its original hardness. markably white.

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