 | James Stewart Eaton - Arithmetic - 1878 - 180 pages
...pounds ? 19. At 8s. a pair, how many pair of shoes may be bought for 2£ ? For 3£ 4s. ? LESSON II. TROT WEIGHT is used in weighing gold, silver, and precious stones. TABLE. 24 Grains (^r.) make 1 Pennyweight, marked dwt. 20 Pennyweights • " 1 Ounce, " o» 12 Ounces " 1 Pound, " Ib.... | |
 | James Stewart Eaton - Arithmetic - 1873 - 194 pages
...pounds ? 19. At 8s. a pair, how many pair of shoes may be bought for 2£ ? For 3£ 4s. ? LESSON II. TROY WEIGHT is used in weighing gold, silver, and precious stones. TABLE. 24 Graine (gr.) make 1 Pennyweight, marked dwt 20 Pennyweights " 1 Ounce, " oz 12 Ounces " 1 Pound, "... | |
 | John William Marshall - Arithmetic - 1879 - 306 pages
...hundredweight (cwt.). 1 ton («.). By this weight are weighed all common goods. TROY. 24 grains (grs.) make 1 pennyweight (dwt.). 20 pennyweights „ 1 ounce (oz.). 12 ounces „ 1 pound (Ib.). Used for gold, silver, and jewellery, and in experiments in chemistry, &c. APOTHECARIES. 20 grains... | |
 | William Frothingham Bradbury - Arithmetic - 1879 - 392 pages
...medicines ; but medicines are bought and sold by Avoirdupois Weight. 543. TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (dwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (Ib.). Troy Weight is used in weighing gold, silver, and precious stones. NOTE 1. The pound, ounce, and grain,... | |
 | William Frothingham Bradbury - 1882 - 416 pages
...drams = 1 ounce (oz. or § ). 12 ounces = 1 pound (Ib. or ft). 543. TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (dwt). 20 pennyweights — 1 ounce (oz.). 12 ounces = 1 pound (Ib.)Troy Weight is used in weighing gold, silver, and precious stones. NOTE 1. The pound, ounce, and... | |
 | James Thomson - 1880 - 408 pages
...preserved because of their use in the past, if for no other reason. TABLE OF TROY WEIGHT.* 24 grains =1 penny-weight, dwt. 20 penny-weights =1 ounce,.... oz. 12 ounces =1 pound Ib. It is to be borne in mind that, while the grain is one definitely fixed weight, being specified as... | |
 | George Albert Wentworth, Thomas Hill - Arithmetic - 1881 - 446 pages
...Express a cubic foot as the decimal fraction of a bushel. WEIGHTS. Troy Weight. 297. 24 grains (grs.) = 1 pennyweight (dwt). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). A carat (of diamond) = 3J grs. Avoirdupois Weight. 298. 16 drams (drs.) = 1 ounce (oz.). 16... | |
 | George Albert Wentworth, Thomas Hill - Arithmetic - 1882 - 376 pages
...a cubic foot as the decimal fraction of a bushel. • WEIGHTS. Troy Weight. 297. 24 grains (grs.) = 1 pennyweight (dwt.). 20 pennyweights . = 1 ounce (oz.). 12 ounces = 1 pound (lb.). . A carat (of diamond) = 3J grs. Avoirdupois Weight. 298. 16 drams (drs.) = 1 ounce (oz.). 16... | |
 | Charles Watkins Merrifield - Arithmetic - 1882 - 328 pages
...ton Troy Weight. Used for gold and silver, jewellery, and some chemical experiments. 24 grains = I pennyweight (dwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) Apothecarits Weight. Used for medical prescriptions only. 20 grains = 1 scruple 3 scruples = 1 dram... | |
 | James Stewart Eaton - Arithmetic - 1882 - 368 pages
...the In il lom of the table. la like manner the scale is found in the other tables. TEOY WEIGHT. 94. TROY WEIGHT is used in weighing gold, silver, and precious stones. TABLE. Ex. 1. How many grains in 71b. 11 oz. 14dwt. 18gr.? OPERATION. 71b.lloz.l4dwt. 18gr. 24) 459 5 4 gr.... | |
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TROY WEIGHT is used in weighing gold, silver, and precious stones. TABLE. 24 Grains (gr.) make 1 Pennyweight, dwt. 
