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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Properties of the Circle

Diamcircumference. Diameter eter X 3.14159 X.8862 = side of an equal square. Diameter X.7071 = side of an inscribed square. Radins squared, X 3.14159 = area of circle. Diameter squared, X.7854 = area of circle.

Radius X 6.28318 = circumference. Cir- 2 pints are. 4 quarts are..

A common sized tumbler holds A common sized wine-glass.. 25 drops are equal to.... pint. 1 gill. gill. pint. 1 quart. 1 gallon. 1/2 pint. ... gill. 1 tea-spoonful.

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