TABLES LONG MEASURE Long Measure is used in measuring lines or estimating distances. The unit of long measure is the yard. TABLE 3 feet = 1 yard (yd.) 320 rods = 1 mile (mi.) 1 mi. = 1760 yd. 5280 ft. = 63360 in. SURVEYORS' LINEAR MEASURE Surveyors' Linear Measure is used by surveyors and engineers in measuring distances, as roads, dimensions of land, etc. The unit is the chain. TABLE 25 links 1 rod 1 chain (ch.) 80 chains = 1 mile SQUARE MEASURE Square Measure is used in measuring surfaces, as land, paving, plastering, boards, etc. TABLE 9 square feet = 1 square yard (sq. yd.) 1 square rod, or perch 640 acres = 1 square mile (sq. mi.) CUBIC, OR SOLID MEASURE Cubic, or Solid Measure is used in measuring the contents of solids or bodies; as wood, stone, etc. TABLE 27 cubic feet = 1 cubic yard (cu. yd.) 16 cubic feet 1 cord foot (cd. ft.) 8 cord feet, or 128 cubic feet'} = 1 cord of wood LIQUID MEASURE Liquid Measure is used in measuring nearly all kinds of liquids. The standard unit of liquid measure is the gallon, which contains 231 cubic inches. A pint of water weighs about one pound. A cubic foot of distilled water weighs about 1000 ounces, avoirdupois weight. TABLE 2 pints = 1 quart (qt.) DRY MEASURE Dry Measure is used in measuring grain, fruit, lime, etc. The standard unit of dry measure is the bushel. It contains 2150.42 cubic inches. TABLE Grains, seeds, and small fruits are sold by stricken measure ; that is, the measure must be even full. Coarse vegetables, large fruits, and bulky articles, such as potatoes, turnips, apples, etc., are sold by heaped In practice we say 5 stricken measures equal 4 heaped measures. measure. TROY WEIGHT Troy Weight is used in weighing jewels and the precious metals, as gold and silver. The unit of weight is the pound, which contains 5760 grains. TABLE 12 ounces = 1 pound (lb.) The carat is a unit of 4 imaginary grains employed in rating diamonds and precious stones, as the ruby, topaz, emerald, etc. The term is also used to express the fineness of gold. Thus, gold 18 carats fine consists of 18 parts pure gold, alloyed with 6 parts of some other metal, the whole mass being divided into 24 equal parts. AVOIRDUPOIS WEIGHT Avoirdupois Weight is used in weighing nearly everything except gold, silver, and jewels. The unit of weight is the pound. It contains 7000 Troy grains. TABLE 100 pounds = 1 hundredweight (cwt.) APOTHECARIES' WEIGHT Apothecaries' Weight is used by physicians and apothecaries in prescribing and preparing dry medicines. The unit is the pound, which contains 5760 gr., like the Troy pound. Medicines are bought and sold by avoirdupois weight. TABLE 8 drams 1 ounce (3) TIME The unit of time is the day. TABLE 1 hour (hr.) 7 days = 1 week (wk.) UNITED STATES MONEY Money is the measure of the value of articles bought, sold, or exchanged. TABLE 1 dime (d.) ENGLISH MONEY English Money, sometimes called sterling money, is the legal currency of Great Britain. The unit is the pound sterling ; but there is no coin known by this name, the value being represented by the gold sovereign, à coin equal to 20 shillings sterling, or $4.8665 of United States money. TABLE 1 shilling (s.) 12 pence |