dr. OZ Avoirdupois Weight. 16 drams make 1 ounce, marked 16 ounces 1 pound, lba 28 pounds 1. quarter of a hundred weight, qra 4 quarters 1 hundred weight, Cwt. 20 hundred 1 ton, T. By this weight are weighed all things of a coarse or drossy nature, and all metals, except gold and silver Apothecaries' Weight. 20 grains make 1 scruple, marked 3 scruples 1 dram, dr. 8 drams 1 ounce troy, 12 ounces 1 pound, lbor Apothecaries mix their medicines by this weighty but they buy and sell them by avoirdupois weight. Cloth Measure. make 1 nail, marked 4 nails 1 quarter of a yard, gra 4 quarters 1 yard, yd. 5 quarters 1 English Ell, E.E. Long Measure. 3 barley-corns make 1 inch, marked br. in. 12 inches f foot, ft. 3 feet 1 yard, yd. 51 yards or 16 feet. 1 rod, pole, or perch, rod. 40 rods 1 furlong; f. 8 furlongs 1 mile, Land, or Square Measure. 144 square inches inches make 1 square foot. 9 feet 1. yard. 305 yards. rod. rods 1.. rood roods 1 rods 1 21 inches na. acre. acre. or} gt. gal Solid Measure. 1728 inches make 1 foot. 27 feet 1 yard. 40 feet of round timber, or 1 ton. 50 feet of hewn timber, 128 feet, that is, 8 in length, 4 in 1 cord of wood. breadth, and 4 in height, Wine Measure. 4 gills make 1 pint, marked pt. 2 pints 1 quart, 4 quarts 1 galon, 63 gallons 1 hogshead, hhd. By this measure, all distilled spirits, perry, mead, vinegar, cider, and oil, are sold. Alę or. Beer Measure. 2 pints make 1 quart, marked 9 4 quarts 1 gallon, gal 36 gallons 1 barrel, bar. :54 gallons 1 hogshead, hhd. Note-The Wire galon contains 231 cubic inches, and the Ale gallon 282 cubic inches. Dry Measure. 2 pints make 1 quart, marked - gt. 4 quarts 1 gallon, gal. 2 gallons 1 peck, pko 4 pecks 1 bashel, bu. Time. 60 seconds make 1 minute, markod s. mo 60 minutes 1 hour, ho 24 hours 1 day 2. 7 days 1 week, 4 weeks 1: 1 month, 13 months, id. 6h. 1 Julian year, mo. COMPOUND ADDITION. Compound Addition teaches to find the sum of two or more numbers of several denominations. RULE. 1. Place the numbers'so that those of the same denomination may stand directly under each other, and draw a line beneath them. 2. Begin at the lowest denomination, and add the 'figures in that denomination, as in simple addition; then, as many of the next greater denomination as are contained in that sum, carry to the next denomination, and set down the remainder: proceed in the same manner to the last denomination, which must be added, as in simple addition. EXAMPLÉS, 6 d. on 14 21 3 · 10 9 63 14 8 1 13 19 0 18 In the first example, beginning with the farthings, I add them together, and find the sum to be 6 farthings, which are 1 penny, and 2 farthings over; I set down the farthings, and carry 1 to the next de'nomination, adding it and all the figures in that place together, which make 28 pence, or 2 shillings and *4 pence ; " I set down 4, and carry 2 to the next des nomination, adding it and the figures in that place, as 25 before, which make 41 shillings, equal to 2 pounds 1 shilling : I then set down 1, and carry 2 to the last place, or denomination of pounds, where I add and carry, as in simple addition. T. Cwt 97. Avoirdupois Weight. OZ. dr. 5 15 0 37 14 2 19 2 3 o 1 |