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Weights and Measures: Water

In scientific work the FAHREN- CENTIcentigrade (a word meaning "100 degrees") HEIT is used. Because there Water are just 100° between Boils 212° the freezing and boiling Blood points of water, on the centigrade thermometer, and the freezing point Heat 98° is at 0°, that would be easier than the Fahren- Water heit to work with if we Freezes 32°were used to it.

Specific Gravity. - The specific GRADE 100° 0° 0° gravity of any substance is the number of times its weight contains the weight of an equal volume of water.

Since the weight of a cubic foot of water at its greatest density is 1,000 oz., or 62+ lb., the weight of a cubic foot of any substance is found by multiplying 1,000 oz. avoirdupois by its specific gravity.

MEASURES OF VALUE The common measure of value is money.

It is also called currency, and is of two kinds, viz.: coin and paper money.

Stamped pieces of metal having a value fixed by law are coin and specie.

Notes and bills issued by the Government and banks, and authorized to be used as money, are paper money.

All money which, if offered, legally satisfy a debt are a legal tender.