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Diamond Weight

Diamonds weights, contains, then, 288 fine grains; if are weighed by a separate method; the carat, this ingot contain 288 of alloy, it is said equivalent to 3.2 grains Troy, is thus subdivided.

Carat. 1 = = 5944. Troy Weight Compared with to be silver of 11 pennyweights and 23 grains; if it contain 288 of alloy, it is said to be 11 pennyweights, 20 grains, &c. The purity of silver is now more frequently expressed in To, which admits of greater accuracy. 5950. Table for Converting Troy into 1 Avoirdupois Weight.

Grains. Parts. Troy Grains. 4 3.2 = 16 1 4 .8 1 = .2 Avoirdupois.

Troy Avoirdupois Troy.

Avoirdupois.

Ounces.

Ounces. Grains.

Ounces.

Ounces. Grains.

Oz.

Dr. 1 = 1 42 7 = 7 2971 1 Pound 1 Ounce 1 Dwt. = 13 2.65 2 = 2 85 8 = 8 340 1 1.55 3 = 3 127 9 = 9 382 = 0.877 4 = 4 170 10 = 10 425 5945. Equivalents of Troy in Apothe- 5 5212 11 = 12 30 caries Weight. 6 = 6 255 12 13 721 Troy.

Apothecaries. tb 3 3 Э Gr. 175 Troy ounces are equal to 192 avoirdupois.

Troy. Avoirdupois.

Troy.

Avoirdupois. 1 Pound = 1 0 0 tb 1 Oz. Gr. 1 Ounce = 1 0 0 0 1 = 0 13 72 18 = 14 12 430 1 Dwt. = 1 4 2 = 1 10 145 19 = 15 10 65 1 Grain 1 3 = 2 7 2171 20 = 16 7 137 5946. Troy Weight Expressed in 4 = 3 4 290 30 = 24 10 425 Grams. 5 = 4 1 3621 40 = 32 14 275 Troy.

Grams. 6 = 4 14 435 50 = 41 2 125 1 Pound = 373.202, or 3.732 Hectograms 7 = 5 12 70 60 = 49 5 412 1 Ounce = 1 Dwt. 31.100, or 3.110 Dekagrams 1.555 8 9 = = 6 9 142 70 = 57 9 262 7 6 215 80 = 65 13 112 1 Grain = .0648, or 6.48 Centigrams. 10 = 83 287 90 = 74 0 400 Troy weight.

Weight. 32 oz. 1 kilogramme, 16 oz. 4 oz. 1 dr'm. 15 grains 5947. Approximate Values of Troy in Metrical Weight. ½ kilog. = 500 grams, 125 grams, 32 grams, 4 grams, 11 = 90 360 100 = 82 4 250 12 = 9 13 432 13 = 10 11 67 175 = 144 0 0 200164 962 0 Measure. 1 litre. 14 14 = 11 8 140 .500 .125 .32 66 15 46 300 = 246 13 312 400 329 2 125 500411 6 375 46 .4 " 1 gram, .1 cubic 1½ gr'ns = 1 decigram. = 12 5 212 1613 2 285 17 = 13 15 357 1000 = 822 13 312 5951. Apothecaries Weight is a subcentimetre. division of the Troy pound into ounces, drachms, scruples, and grains. It is used in compounding medicines, and is the officinal standard standard of the U. S. Pharmacopœia.