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(For Surveyor's Measure, see Art. 889, Appendix.)

ORAL EXERCISES.

348. 1. How many sq. inches in 2 sq. feet?

2. In 8 sq. yds. how many sq. ft.? In 15 sq. yds.?

sq. mi.

3. In 2 acres how many sq. rods? In 3 acres and 5 sq.

rd.?

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352. The measuring unit of solids is a Cube the edge of which is a linear unit.

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353. A Cord of wood is a pile 8 ft. long, 4 ft. wide, and 4 ft. high; for 8 x 4 x 4 = 128.

354. A Cord Foot is one foot in length of such a pile; hence, 1 cord foot 16 cu. feet; 8 cord ft. = 1 cord.

ORAL EXERCISES.

355. 1. How many cubic inches in 2 cubic feet? 2. How many cu. feet in 2 cubic yards? In 3 cu. yards? 3. How many cubic feet in 2 cords? In 3 cords? 4. In 54 cu. feet, how many cu. yards? In 126 cubic feet? 5. How many cord feet in 3 cords of wood? In 5 cords? 6. In 32 cord feet how many cords? In 72 cord feet?

LIQUID MEASURE.

356. Liquid Measure is used in measuring milk, oil, wine, etc.

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357. The Standard Unit of Liquid Measure is the gallon, which contains 231 cubic inches.

NOTE.-The barrel and hogshead, as units of measure, are chiefly used in estimating the contents of cisterns, reservoirs, etc.

ORAL EXERCISES.

358. 1. How many quarts in 20 pints? In 36 pts.?
2. In 24 pints how many quarts? In 40 pts.?

3. How many gallons in 2 hogsheads? In 5 hhd.?
4. How many qts. in 12 gal. of milk? In 15 gallons?
5. What is the cost of 5 gal. of syrup at 60 cts. a gal.?

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359. Dry Measure is used in measuring grain, fruit,

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360. The Standard Unit of Dry Measure is the bushel, which contains 2150.4 cubic inches.*

NOTE.-The dry quart is equal 11 liquid quart nearly.

ORAL EXERCISES.

361. 1. How many pints in 12 quarts? In 25 quarts?

2. How many pecks in 40 qts. of chestnuts?

3. How many bushels in 72 pecks?

4. If you pay 40 cts. for

pay for 5 bushels?

bushel of apples, what must you

5. If I buy a bushel of walnuts for $3, and sell them at

5 cts. a pt., how much shall I make?

6. How many bu. in 36 pecks? In 96 quarts?

* For the standard weight of a bushel of different grains, see Art. 896, Appendix.

TROY WEIGHT.

362. Troy Weight is used in weighing gold, silver, etc.

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363. The Standard Unit of weight in the United States, is

the Troy Pound.

1. How many grains in 6 pennyweights?

2. How many pwt. in 6 lb. 7 oz. ? In 8 lb. 5 oz.?

3. How many ounces in 8 pounds of silver?

4. Change 4 pwt. to grains. 25 oz. to pwt.

AVOIRDUPOIS WEIGHT.

364. Avoirdupois Weight is used in weighing coarse articles; as hay, cotton, groceries, etc., and all metals except gold and silver.

16 ounces (oz.)

100 pounds

TABLE.

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2000 lb., or 20 cwt. = 1 ton,

T.

NOTE.-In calculating duties, etc., 112 lb. are called a cut., and 2240 lb. a long ton.

365. Gross Weight is the weight of goods including the boxes, etc., which contain them.

Net Weight is the weight of goods after deducting all allow

ances.

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367. Apothecaries Weight is used by Apothecaries in mixing medicines. (Art. 898, Appendix.)

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NOTE.-The pound, ounce, and grain are the same as Troy weight.

368.

ORAL EXERCISES.

1. How many ounces in 5 pounds? In 100 pounds? 2. How many tons in 4000 lbs. ? In 6200 lbs. ?

3. How many pounds in

4. At 90 cts., what will
5. At $20 a ton, what will

ton? In ton?

lb. of tea cost?
ton of hay cost?

TIME.

369. Time is a measured portion of duration. Its divisions.

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