Circular of the Bureau of Standards, Issue 570U.S. Government Printing Office, 1956 |
From inside the book
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Page 3
... pound was increased so as to have 16 of the original ounces . This pound became known as the avoirdupois pound , the word avoirdupois meaning " goods of weight . " The idea of a pound divided into 16 parts was not a new one , as the ...
... pound was increased so as to have 16 of the original ounces . This pound became known as the avoirdupois pound , the word avoirdupois meaning " goods of weight . " The idea of a pound divided into 16 parts was not a new one , as the ...
Page 6
... pound may be considered practically identical , and that many tables such as 12 inches = 1 foot , 3 feet = 1 yard ... avoirdupois ounce of water at 62 ° F has a volume of 1 fluid ounce , because 10 pounds is equivalent to 160 avoirdupois ...
... pound may be considered practically identical , and that many tables such as 12 inches = 1 foot , 3 feet = 1 yard ... avoirdupois ounce of water at 62 ° F has a volume of 1 fluid ounce , because 10 pounds is equivalent to 160 avoirdupois ...
Page 11
... avoirdupois pound was defined in terms of the Troy Pound of the Mint , which is a brass standard kept at the United States Mint in Philadelphia . In 1911 the Troy Pound of the Mint was superseded , for coinage purposes , by the Troy Pound ...
... avoirdupois pound was defined in terms of the Troy Pound of the Mint , which is a brass standard kept at the United States Mint in Philadelphia . In 1911 the Troy Pound of the Mint was superseded , for coinage purposes , by the Troy Pound ...
Page 19
... AVOIRDUPOIS WEIGHT & [ The " grain " is the same in avoirdupois , troy , and apothecaries weight . ] 27 11/32 grains 16 drams 16 ounces 100 pounds 20 hundredweights 1 dram ( dr ) . 1 ounce ( oz ) = 4371⁄2 grains . 1 pound ( lb ) = 256 ...
... AVOIRDUPOIS WEIGHT & [ The " grain " is the same in avoirdupois , troy , and apothecaries weight . ] 27 11/32 grains 16 drams 16 ounces 100 pounds 20 hundredweights 1 dram ( dr ) . 1 ounce ( oz ) = 4371⁄2 grains . 1 pound ( lb ) = 256 ...
Page 20
in the table of apothecaries weight . The table of British avoirdupois weight is the same as the United States table up to 1 pound ; above that point the table reads : 14 pounds 2 stones 4 quarters 1 stone . 1 quarter 28 pounds . 1 ...
in the table of apothecaries weight . The table of British avoirdupois weight is the same as the United States table up to 1 pound ; above that point the table reads : 14 pounds 2 stones 4 quarters 1 stone . 1 quarter 28 pounds . 1 ...
Common terms and phrases
000 cubic centimeters apoth apothecaries apothecaries weight avdp avoirdupois pound Britain British Imperial Bureau of Standards Bureau of Weights bushel calibration Circular cubic centimeter cubic decimeter cubic feet cubic foot cubic inches cubic meter decimal defined dekaliter dry quarts equivalent fluid drams fluid ounces fluid scruple grains grams gross or long hectare hundredweight Imperial gallon inch exactly International Bureau length and mass liquid pint liquid quarts liter long ton mass standard metric system milligrams milliliters millimeters National Bureau number system pint or quart primary standard Prototype Kilogram short ton square centimeter square inch square meter square yard standards of capacity standards of length standards of mass struck measure subdivisions system of weights tonnage troy pound U. S. fluid ounce U. S. gallon U. S. Government Printing unit of weight United States Prototype units and standards Units and Systems UNITS OF CAPACITY volume weights and measures
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 i¡.
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.