## Circular of the Bureau of Standards, Issue 570 |

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Page 3

The mile was defined by the Romans as 1 000 paces * or double steps , the pace being equal to 5 Roman feet . ... the talent , which is believed to have been originally the weight of an Egyptian royal

The mile was defined by the Romans as 1 000 paces * or double steps , the pace being equal to 5 Roman feet . ... the talent , which is believed to have been originally the weight of an Egyptian royal

**cubic foot**of water . Page 6

... and that many tables such as 12 inches = 1

... and that many tables such as 12 inches = 1

**foot**, 3**feet**1 yard , and 1 760 yards = 1 mile are the same in both ... The English of that period used this wine gallon and they also had another gallon , the ale gallon of 282**cubic**... Page 16

As there are large variations in the weight per

As there are large variations in the weight per

**cubic foot**of coal , the reader is cautioned that the figures presented ... the actual number of**cubic feet**per ton ( of 2 000 pounds ) , may differ materially from the values given here . Page 17

The register ton of 100

The register ton of 100

**cubic feet**. ( b ) . The measurement ton of 40**cubic feet**. ( c ) . The English water ton of 224 British Imperial gallons . In the United States and Canada the ton ( weight ) most commonly used is the short ton ... Page 18

1 section of land . = 1 township = 36 sections = 36 square miles . CUBIC MEASURE 1 728 cubic inches ( cu in . ) = 1

1 section of land . = 1 township = 36 sections = 36 square miles . CUBIC MEASURE 1 728 cubic inches ( cu in . ) = 1

**cubic foot**(**cu ft**) . 27**cubic feet**= 1 cubic yard ( cu yd ) . GUNTER'S OR SURVEYORS CHAIN MEASURE ་ 7.92 inches ( in . ) ...### What people are saying - Write a review

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### Common terms and phrases

acre adopted apothecaries avdp avoirdupois pound balance barrel body Britain British Bureau of Standards bushel calibration capacity Circular coal contains convenient corresponding cubic centimeter cubic decimeter cubic feet cubic foot cubic inches decimal defined Definitions difference divided early earth engineers equal equivalent example fields FIGURE fluid drams fluid ounces fundamental gallon given grains grams hundredweight inch exactly indicate industry interest International International Bureau kilogram known laboratory liquid liter material mean meter metric system mile milligrams milliliters millimeters National Bureau origin physical pint precision present Prototype Meter publications published quart reference relation respectively Roman scales scruple short square square meter square yard standards of length standards of mass statute subdivisions system of weights tables Tests tonnage tons troy pound units usually various volume weights and measures yard

### Popular passages

Page 18 - Square Measure 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet = 1 square yard (sq. yd.) 30£ square yards = 1 square rod (sq.

Page 18 - Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...

Page 29 - Used in assaying. The assay ton bears the same relation to the milligram that a ton of 2,000 pounds avoirdupois bears to the ounce troy; hence the weight in milligrams of precious metal obtained from one assay ton of ore gives directly the number of troy ounces to the net ton.

Page 4 - The essential features of the system were embodied in a report made to the French National Assembly by the Academy of Sciences in 1791. A number of other nations were invited to cooperate with France in establishing the new system, and Holland, Denmark...

Page 12 - When an equal-arm balance is used to compare an object with standards of mass ("weights"), the effects of variations in the acceleration of gravity are self-eliminating and need not be taken into account, but the apparent mass of the object is slightly different from the true mass because of the buoyant effects of the surrounding air. Mass can then be computed from apparent mass by applying a correction for air buoyancy. When a spring balance is used, an additional correction accounting for the local...

Page 20 - Dry Measure. — 2 pints = 1 quart; 8 quarts = 1 peck; 4 pecks = 1 bushel.

Page 14 - The mean solar day is divided into 24 hours, each hour into 60 minutes, and each minute into 60 seconds.

Page 4 - The liter is defined as the volume occupied, under standard conditions, by a quantity of pure water having a mass of 1 kilogram. This volume is very nearly equal to 1 000 cubic centimeters or 1 cubic decimeter; the actual metric equivalent iĦ.

Page 20 - The meter bars, however, continue in use as a standard for most types of measurements. In the metric system, designations of multiples and subdivisions of any unit may be arrived at by combining with the name of the unit the prefixes deka, hecto, and kilo, meaning, respectively, 10, 100, and 1,000, and deci, centi, and mill!, meaning, respectively, one-tenth, onehundredth, and one-thousandth.