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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Incrustation in Boilers

The only effectual remedy is to blow out frequently. Blow out once a week at least ten per cent. of the water in the boilers. It should be done while the water is at rest, that is, before startfully dispersive power, will deceive many an unpracticed eye.

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