 | Ignatius Valerius Stanley Stanislaus, P. B. Meerbott, William Theodore Brannt - 1928 - 748 σελίδες
...Required for the Saponification of Oils and Fats. WEIGHTS AND MEASURES. Troy Weight 24 grains (gr.) = 1 pennyweight (dwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (tt>.) Used for weighing gold, silver and jewels. Apothecary Weight 20 grains (gr.) 3 scruples 8 drams... | |
 | 1909 - 446 σελίδες
...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... | |
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Table ///.—TROY WEIGHT. 24 grains, gr. make 1 pennyweight. dwt. 20 pennyweights " 1 ounce. oz. 12 ounces 
