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Table ///.—TROY WEIGHT. 24 grains, gr. make 1 pennyweight. dwt. 20 pennyweights " 1 ounce. oz. 12 ounces
Colburn's First Lessons: Intellectual Arithmetic, Upon the Inductive Method ... - Σελίδα 123
των Warren Colburn - 1827 - 172 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

## The Complete Arithmetic: Combining Oral and Written Exercises in a Natural ...

Albert Newton Raub - 1877 - 333 σελίδες
...WEIGHT. 96. Troy Weight is used in weighing gold, silver, gems and jewels. TABLE. 24 grains (gr.) = 1 pennyweight, dwt. 20 pennyweights = 1 ounce, oz. 12 ounces =1 pound, Ib. COMPARISON OF UNITS. 1 Ib. = 12 oz. = 240 dwt. = 5760 gr. 1 oz. = 20 dwt. = 480 gr. 1 dwt. = 24...

## Marcus Ward's arithmetic

John William Marshall - 1879 - 275 σελίδες
...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...

## Bradbury's Eaton's Practical Arithmetic ...

William Frothingham Bradbury - 1882 - 374 σελίδες
...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...

## A treatise on arithmetic. [With] Key, Τόμος 1

James Thomson - 1880
...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...

## A Practical Arithmetic

George Albert Wentworth, Thomas Hill - 1881 - 351 σελίδες
...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 ounces...

## A Practical Arithmetic

George Albert Wentworth, Thomas Hill - 1882 - 351 σελίδες
...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 ounces...

## The principles of arithmetic

Daniel O'Sullivan - 1883 - 423 σελίδες
...employed, in the compounding of medicines, all over the United Kingdom.! Troy Weight. 24 Grains (grs.) = 1 Pennyweight (dwt.) 20 Pennyweights = 1 Ounce (oz.) 12 Ounces = 1 POUND (Ib.) of 5,760 grs. " Pennyweight" takes its name from the ancient English penny — a silver coin...

## The school manual, a compendium of the leading facts in English, by W.T ...

William Thomas Jeffcott - 1883
...3£ Grains (gr.) . . =1 Carat of Diamond 240 Grains .... — 1 Carat of Gold or Silver 24 Grains .... =1 Pennyweight (dwt.) 20 Pennyweights. . = 1 Ounce (oz.) 12 Ounces . . . . = 1 Pound (76.) This weight is nsed only for Gold, Silver, Platina, and Jewellery. In the standard gold coin...