 | 1924 - 604 pages
...qr. = 28 Ibs. Troy Weight (used In weighing gold, sliver, and precious stones) . 24 grains (ст.) = 1 pennyweight (dwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (Ib.). NOTE,— 1 Ib. troy = 5 ,760 grains. In weighing diamonds 1 carat = 3.lGH troygralns, and is divided... | |
 | Arithmetic - 1852 - 196 pages
...and liquors are weighed. The denominations of Troy Weight are pound, ounce, pennyweight, and grain. 24 grains (gr.) make 1 pennyweight dwt. 20 pennyweights - 1 ounce oz. 12 ounces • 1 pound Ib. EXAMPLES. 2. Change 1740 ounces to pennyweights. Faeit 34800 dwts. 3. Bring 145 pennyweights to grains.... | |
 | Education - 1909 - 446 pages
...Place the following on the board. (Drill.) Troy weight — gold, silver, jewels. 24 grains (gr.) = 1 pennyweight (dwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (Ib.). (1) How many grains in y? dwt.? 24 ? 5/6? (2) If one dwt. contains 24 grs., how many grains in 20 dwt.... | |
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TROY WEIGHT is used in weighing gold, silver, and precious stones. TABLE. 24 Grains (gr.) make 1 Pennyweight, dwt. 
