66. The Multiple Units, or higher denominations, are named by prefixing to the name of the primary units the Greek numerals, Deka (10), Hecto (100), Kilo (1000), and Myra (10000). 67. The Sub-multiple Units, or lower denominations, are named by prefixing to the names of the pri mary units the Latin numerals, Deci (1), Centi (0), Mille (1000). Hence, it is apparent from the name of a unit, whether it is greater or less than the standard unit, and also how many times. MEASURES OF EXTENSION. 68. The Meter is the unit of length, and is equal to 39.37 inches nearly. The Meter, like our yard, is used in measuring cloths and short distances. The Kilometer is commonly used for measuring long distances, and is about of a common mile. 69. The Are is the unit of land measure, and is a square whose side is 10 meters, equal to a square dekameter, or 119.6 sq. yards. 70. The Square Meter is the unit for measuring ordinary surfaces; as flooring, ceilings, etc. 71. The Stere is the unit of wood or solid measure, and is equal to a cubic meter, or .2759 cord. 72. The Cubic Meter is the unit for measuring ordinary solids; as excavations, embankments, etc. TABLE. 1000 Cu. Millimeters, cu. mm = 1 Cu. Centimeter = 1000 Cu. Centimeters, cu. cm. 1000 Cu. Decimeters, cu. dm. 1 Cu. Decimeter -35.316+cu. ft. MEASURES OF CAPACITY. 73. The Liter is the unit of capacity, both of Liquid and of Dry Measures, and is a vessel whose volume is equal to a cube whose edge is one-tenth of a meter, equal to 1.05673 qt. Liquid Measure, and .9081 qt. Dry Measure. The Hectoliter is the unit in measuring liquids, grain, fruit, and roots in large quantities. 1 Liter = .908 quart 1 Centiliter = 10 Cu. Centimeters = .6102 cu. in. 1 Milliliter = 1 Cu. Centimeter = .061 cu. in. = .338 fluid oz. = .27 fluid dr. MEASURES OF WEIGHT. 75. The Gram is the unit of weight, and equal to the weight of a cube of distilled water, the edge of which is one-hundredth of a meter, equal to 15.432 Troy grains. The Kilogram, or Kilo, is the unit of common weight in trade and is a trifle less than 2 lb. Avoirdupois. The Tonneau is used for weighing very heavy articles, and is about 204 lb. more than a common ton. 76. Units of the Common System may be readily changed to units of the Metric System by the aid of the following MEASURES OF VALUE. 77. Money is the measure of the value of things or of services, and the medium of exchange in trade. UNITED STATES MONEY. 78. United States Money is the legal currency of the United States. 80. The Coin of the United States consists of gold, silver, nickel, and bronze, and as fixed by the "New Coinage Act" of 1873, is as follows: 81. Gold. The double-eagle, eagle, half-eagle, quarter-eagle, three-dollar, and one-dollar pieces. 82. Silver. The Trade-dollar, half-dollar, quarterdollar, and the ten-cent piece. 83. Nickel. The five-cent, and three-cent pieces. 84. Bronze. The one-cent piece. 1. The old silver dollar, half-dime and three-cent pieces, the bronze two-cent, and the nickel one-cent pieces are no longer coined. |