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 Distinguish Cotton and Wool

Take a small piece of the cloth and boil in caustic soda; the weol will be dissolved, and the cotton remain. If the threads have been previously counted, their relative mixture can be found.

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