tween the two weights consists in the different divisions and subdivisions of the ounce. 4. Repeat the table. TABLE. 20 grains, gr. make 1 scruple, marked . 1. When is Long Measure used? This measure is used to measure distances, lengths, breadths, heights, depths, &c. 2. What are its denominations? Its denominations are barleycorns, inches, feet, yards, fathoms, rods, furlongs, and miles. A fathom is a length of six feet, and is generally 5. What is a hand? A hand is four inches, and is used to measure the height of horses. LESSON VIII. Land or Square Measure. 1. For what is Square Measure used? Land or square measure is used in measuring land, or any thing in which length and breadth are both considered. 2. What is a square? A square is the space included between four equal lines, drawn perpendicular to each other. Each line is called a side of the square. 1 Foot. 3. If each side be one foot, what is it called? 1 Foot. Square If each side be one foot, the figure is called a square foot. 4. If each side be a yard, what is it called? If the sides of the square be each one yard, the square is called a square yard. 5. How many square feet does the square yard contain? In the large square there are nine small squares, the sides of which are each one foot. Therefore the square yard contains 9 square feet. 1 yard=3 feet. 1 yard=3 feet. 6. How is the number of small squares contained in a large square found? any large square is always equal to the product of two of the sides of the large square. As in the figure, 3×3=9 square feet. The number of square inches contained in a square foot is equal to 12 × 12=144. 7. Repeat the table. TABLE. 144 square inches, sq. in. make 1 square foot, Sq. ft. 8. What chain is used in surveying land? The surveyor's or Gunter's chain is generally Land is generally estimated in square miles, acres, LESSON IX. Solid or Cubic Measure. 1. For what is Solid or Cubic Measure used? Solid or cubic measure is used in measuring stone, timber, earth, and such other things as have three dimensions, length, breadth, and thickness. 2. What are its denominations? Its denominations are tons, cords, yards, feet, and inches. 3. Repeat the table. TABLE. 1728 solid inches, S. in. make 1 solid foot, S.ft. 27 solid feet 40 feet of round, or 50 feet of hewn timber, 128 solid feet 8x4x4, that is, a pile 8 feet in length, 4 feet in 1 cord of width, and 4 feet in height, 4. What is a cord foot? wood, - C. A cord foot is one foot in length of the pile which makes a cord. 5. How many solid feet does it contain? It contains sixteen solid feet. LESSON X. Cloth Measure. 1. For what is Cloth Measure used? Cloth measure is used for measuring all kinds of cloth. 2. What are its denominations? Its denominations are Ells French, Ells English, 1. What is measured by Liquid Measure? The standard gallon of the United States is the wine gallon of Great Britain, and contains 231 cubic inches. This is the standard for all liquids. 2. What are its denominations? The denominations of liquid measure are tuns, pipes, hogsheads, barrels, gallons, quarts, pints, and gills. |
