ounces; and the like is observed in addition of other weights and measures. In the first of these examples the number of pounds in the first column is 62, which is 2 quarters, and 6 pounds over; the 6 is to be fet under the pounds, and the 2 quarters added to the column of quarters, which, with the amount of the whole column, is 13 quarters, which is 3 hundreds and quarter; the quarter is to be fet under the quarters, and the 3 hundreds added to the next column, and the whole amount is found to be 123c. 1gr. 61b. By this weight are weighed bread, gold, filver, and precious ftones. The ufual denominations are pounds, ounces, pennyweights, and grains. *The goldsmiths divide the pound troy into 12 marks, inftead of eunces; and each mark into 24 carats; and each carat into 4 grains. Thefe Thefe examples are wrought according to the general rule given in the former part of this section, and in the fame manner as addition of avoirdupois; but paying a frict regard to the table, or the figures at the head of each column. Note. That the pound avoirdupois is heavier than the pound troy; but the troy ounce is heavier than the avoirdupois ounce, for 1lb. 20z. 12pw. troy is equal to a pound avoirdupois; and a pound troy is about 130z. 24dr. avoirJupois. It is unnecessary to give examples of the other parts of addition, concerning apothecaries' weight, liquid, dry, and long measures, &c. as the fame method ferves for all of them; having refpect to the table belonging to each. By this weight apothecaries mix their drugs; but they are hought and fold by avoirdupois weight. Nete. That a ftone is generally 14lb. in most parts of England; but among the London butchers it is only Sib. Note. That sweet oil hath only 236 gallons to the tun. All liquids are measured by wine measure, except beer and ale. The ale and beer gallons are the fame; but the beer firkin contains 9 gallons; conféquently, the kilderkin 18, the barrel 36, &c. In a Tun of Wine there are, 2 pipes, or butts. 6 tierces. 252 gallons. 504 pottles. 1008 quarts. 2016 pints. VOL. I. In a Pipe, or Butt, there are, 2 hogheads. 3 tierces. 126 gallons. 504 quarts. In |