MEASURES OF WEIGHT.
Weight is the tendency or force with which bodies of various density tend to fall toward the earth.
The standard of weights ie the cubic inch of distilled water, weighing 252.458 troy grains; the troy pound 5760 grains, or 22.8157 inchea The same standard of 7,000 troy grains makes the pound avoirdupois, 27.7274 cubic inches : ten of which or 277.274 heiug the Imperial gallon; a quart 69.32; and a gill, of 5 ouncee of water, equal 8.664.
In Troy weight, 24 graina make a pennyweight, (mean ing graiva of wheat) 480 an ounce and 5760 a pound.; or 20 pennyweights an ounce and 12 ouncee a pound.
In Apothecaries' weight, twenty grains make a scruple, 60 a drachm; and then aa in troy weight, 480 makea an ounce, and 5,760 a pound. There are 12 ounces to the pound, 8 drachms to an ounce, 3 scruples to a drachm, and 20 grains or drops to a scruple. The drachm is 60 grains.
Avoirdupoie weight, 16 drachms make an ounce; 256 a pound; 16 ouncee a poond; 112pounde a hundredweight; and 20 hundredweight or 2,240 pounds, a ton, English. -The American ton ie 2,000 pounds.
175 ponnds troy are equal to 144 pounds avoirdupoie; and 175 ouncea troy are equal to 192 ounces avoirdupoia. 80 ounces avoirdupoia are equal to 73 ounces troy, and 14 pounda avoirdupoia to 17 troy. A troy pound la 13 ounces 2.65 drams avoirdupois; and a pound avoirdupoia ie 1 pound 2 ouncee 11 pennyweighte 16 grains troy.
The avoirdupois pound of 7,000 grains is 45.3.61 French grammes; and the troy pound, 5,760 grains, ia 373.14 grammes.
One troy pound-0.822857 Imperial pound.
One Imperial pound-1.215271 pounds troy.
Henry III, enacted that an ounee should he 640 dry graine of wheat; 12 ouncea a pound; 8 pounds a gallon of wine; and 8 gallons a London buahel. Latterly the malt liquor measure hae been 282 inches to the gallon, and the wine measure 231.
7,000 grains of water,thermometer 62 degrees,and barom eter 30 inches, are 1 pound avoirdupoia.
The French gramme is 15.934 Engliah graina.
The smaller French weighte are in tenths, decreasing, as deci, centi, and milli grammes.
The larger ure deca, hecato, chilio, and mirio grammes, in tenths, increasing.
The kilo-gramme, or 1,000 grammes is equal to 2 pounds, 2 ounces, 4 graina avoirdupois.
In Greece, a drachma was 2 pennyweights, 16 grains; a mince 1 pound, 1% ounces; a talent 67 pounds, 7 ounces, 5 pennyweights.
The Roman weights were the Aa, equal to 12 ounces, and the uncia an ounce.
The American quintal ia 100 pounds.
The Mysore cutcha seer is 9 ounces, 111/2 drachms.
A bale of Egyptian cotton is 90 pounds, of Brazi1160, of Georgian and Sea Islanda 280, Orleans 300, East India 300, Weat India 350 to 400.
A pack of sheep'e wool is 240 pounds.
The livre, or French pound, is 500 grammes, or 7,714 grains English, or 1 pound, 11-5 ounce 10 drachms avoir dupois. The quintal, of 100 kilo-grammee, is 220.486 pounds.
The Bengal maund is 74 pounde, 10 ouncee, 10% drachma avoirdupois; the.seer 1 pound, 13 ouncea, 13.866 drachms; the chattock 1 ounce,13.366 drachms. The Baza maand ia 82 pounds, 2 ounces.
A seam of glaas is 24 stone of 5 pounda each.
The weight of a cubic inch of distilled water, in a vacuum ia 252.722 grains; and in air ia 252.456 grains.
The quintal ia 10 mirio-grammes, or 2 hundredweight, or 224 pounds, Engliah, nearly.
A sack of wool is 22 stone of 14 ponnds, or 308 pounds. In Scotland. it is 24 stone of 16 pounds.
A pick of wool is 17 stone 2 pounda, or a horse load.
A tod of wool ie 2 stone of 14 pounds each ; and a aack ia 13 tod; 12 sacks is a last, or 4,368 pounda.
50 or 60 pounda is a truss of hay, old or new, and 40 pounds a trues of atraw; 36 truaaes being a load.
A Spanish quintal is 312 Spaniah ponnds. The arroba is 25 Spanish pounds, of 6,544 grains each ; and 6 arrobaa make a quintal.
The Portuguese arroba contains 32 Lisbon pounds of 7,005 grains.
The Venetian mirre contains 30 pounds of 4,215 graina. The ehippondt of the northern nations ia., in Sweden, for copper 320 pounde, of 941 graine, and for provisions 400 auch pounds. At Riga it is 903 pounda of 6,149 graina. At Hamburgh 300 pounds of 7,815 grains.
100 pounde English ie equal to 112% pounda of Ruasia, to 93 pounds 5 ounces of Hamburgh, and to 132 pounds 11 ouncea st Leghorn, and 104 pounds 13 ouncea in Port ugal, and 91 pounda 8 ounces at Amsterdam.
The commercial ponnd of Amsterdam is 7,636 grains, and the troy pound equal to 7,602 grains. The Dutch stone is 16 pounde. The Norway pound ie 7,833 grains. The Spanieh pound ia .7,038 grains. The Chineae kin ie 5,802 grains, or 375 two-tenths French grammes.
The Turkish pound is 7,578 grains. The Danish 6,941. The Irish 7,774. The Naplea 4,952. The Scotch pound troy 7620.8. The Smyrna pound 6944.
The following table showa the weight, in pounds, of a cubic foot, of the following substancea: