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 Βιβλία Βιβλία 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 ## Wentworth & Hill's Exercise Manuals: Arithmetic, Τεύχος 1

George Albert Wentworth - 1896 - 296 σελίδες
...pounds, nearly. 1 gallon of water weighs 8J pounds nearly. V. WEIGHT. Troy Weight. 24 grains (gr.) - 1 pennyweight (dwt.) 20 pennyweights — 1 ounce (oz.) 12 ounces — 1 pound (1b.). Avoirdupois Weight. 16 drams (dr.) = 1 ounce (oz.). 16 ounces — 1 pound (Ib.). 100 pounds... ## A Practical Arithmetic

George Albert Wentworth - 1896 - 383 σελίδες
...'Weight. 197. Troy Weight is used in weighing gold, silver, and precious stones. TABLE. 24 grains (gr.) = 1 pennyweight (dwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (Ib.). The pound Troy contains 5700 grains. EXERCISE 104. — WRITTEN. 1. How many more grains does... ## Exercises in Arithmetic

...pounds, nearly. 1 gallon of water weighs 8J pounds nearly. V. WEIGHT. Troy Weight. 24 grains (gr.) — 1 pennyweight (dwt). 20 pennyweights =- 1 ounce (oz.) 12 ounces — 1 pound (1b.). Avoirdupois Weight, 16 drams (dr.) *» 1 ounce (oz.). 16 ounces — 1 pound (Ib.). 100 pounds... George Albert Wentworth - 1898
...Weight. Troy weight is used in weighing gold, silver, and precious stones. TABLE. 24 grains (gr.) = 1 pennyweight (dwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). The pound troy contains 5760 grains. 304. Avoirdupois Weight. Avoirdupois weight is used in weighing... George Albert Wentworth - 1898 - 400 σελίδες
...Weight. Troy weight is used in weighing gold, silver, and precious stones. TABLE. 24 grains (gr.) = 1 pennyweight (dwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). The pound troy contains 5760 grains. 304. Avoirdupois Weight. Avoirdupois weight is used in weighing... ## The Assayer's Guide; Or, Practical Directions to Assayers, Miners and ...

Oscar Montgomery Lieber - 1899 - 267 σελίδες
...203 Sulphur 109 OQA Mercury -39 -38.2 Table of Troy Weights used with Gold, and Silver, and Plalina. 24 grains (gr.) make 1 pennyweight (dwt.) 20 pennyweights — 1 ounce (oz.) 12 ounces — 1 pound (Ib.) Ib. oz. dwt. gr. 1 = 12 = 240 = 5760 1 = 20 = 480 1 = 24 The value of gold is given in carats... ## Mathematics for Common Schools, Μέρος 2

John Henry Walsh - 1899
...cord. In weighing gold and silver, troy weight is used. The following is the table : 24 grains (gr.) 1 pennyweight (dwt.) 20 pennyweights 1 ounce (oz.) 12 ounces 1 pound (Ib.) The abbreviation for pennyweight is also written pwt. 829. The pound apothecaries' weight —... ## Practical Exercises in Commercial Arithmetic

Charles E. Sayward - 1908 - 180 σελίδες
...weighing articles used in scientific experiments, etc. The unit is the pound. TABLE. 24 Grains (Gr.) = 1 Pennyweight . . dwt. 20 Pennyweights = 1 Ounce . oz. 12 Ounces = 1 Pound . . . . lb. NOTE. — Diamond Weight is used in weighing precious stones. The unit is the carat, which equals about... ## Teachers' monographs: Plans and details of grade work. ...

1909
...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 y2 dwt? J4? 5/6? (2) If one dwt. contains 24 grs., how many grains in... ## The Pupils' Arithmetic, Βιβλίο 4

...pounds = 1 gross or long ton (LT) An ounce avoirdupois weighs 437^ Troy grains Troy Weight 24 grains = 1 pennyweight (dwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (lb.) 5760 grains = 1 pound An ounce Troy weighs 480 Troy grains Apothecaries' Weight 20 grains (gr.) = 1...