Circular of the Bureau of Standards, Issue 570 |
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Page 9
This electrodeless lamp contains about 1 milligram of mercury of atomic weight 198. The lamp is excited in a radiofrequency field ( left foreground ) . The interference pattern portrayed in the background enables researchers to make ...
This electrodeless lamp contains about 1 milligram of mercury of atomic weight 198. The lamp is excited in a radiofrequency field ( left foreground ) . The interference pattern portrayed in the background enables researchers to make ...
Page 13
... a coefficient of cubical thermal expan- sion of 0.000 054 per deg C. Standard conditions are defined as air of 1.2 milligrams per cubic centimeter and temperature of 20 ° C. The corrections to be used with precise analytical weights ...
... a coefficient of cubical thermal expan- sion of 0.000 054 per deg C. Standard conditions are defined as air of 1.2 milligrams per cubic centimeter and temperature of 20 ° C. The corrections to be used with precise analytical weights ...
Page 21
WEIGHT 10 milligrams ( mg ) = 1 centigram ( cg ) . 10 centigrams 10 decigrams 10 grams 10 dekagrams 10 hectograms 1 000 kilograms = 1 decigram ( dg ) = 100 milligrams . 1 gram ( g ) = 1 000 milligrams . = 1 dekagram ( dkg ) .
WEIGHT 10 milligrams ( mg ) = 1 centigram ( cg ) . 10 centigrams 10 decigrams 10 grams 10 dekagrams 10 hectograms 1 000 kilograms = 1 decigram ( dg ) = 100 milligrams . 1 gram ( g ) = 1 000 milligrams . = 1 dekagram ( dkg ) .
Page 24
7000 350 1 milligram = 0.015 432 356 1 gram = 15.432 356 1 kilogram = 15 432.356 0.000 771 618 0.771 618 771.6178 291.6667 0.000 643 014 8 256 96 116.6667 13. 165 714 16 0.643 014 85 0.000 564 383 3 0.564 383 3 643.014 85 564.383 32 ...
7000 350 1 milligram = 0.015 432 356 1 gram = 15.432 356 1 kilogram = 15 432.356 0.000 771 618 0.771 618 771.6178 291.6667 0.000 643 014 8 256 96 116.6667 13. 165 714 16 0.643 014 85 0.000 564 383 3 0.564 383 3 643.014 85 564.383 32 ...
Page 25
... Apothecaries or Apothecaries or troy ounces troy pounds Avoirdupois pounds Milligrams Grams Kilograms Units 0.911 ... 1 avdp . pound = 1 milligram = 1 gram = 1 kilogram THAN AVOIRDUPOIS OUNCES Long tons Kilograms Metric tons 0.000 ...
... Apothecaries or Apothecaries or troy ounces troy pounds Avoirdupois pounds Milligrams Grams Kilograms Units 0.911 ... 1 avdp . pound = 1 milligram = 1 gram = 1 kilogram THAN AVOIRDUPOIS OUNCES Long tons Kilograms Metric tons 0.000 ...
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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.
Bibliographic information
| Title | Circular of the Bureau of Standards, Issue 570 Circular of the Bureau of Standards, United States. National Bureau of Standards |
| Contributor | United States. National Bureau of Standards |
| Publisher | U.S. Government Printing Office, 1956 |
| Original from | the University of Michigan |
| Digitized | 16 Oct 2006 |
| Export Citation | BiBTeX EndNote RefMan |