 | Bruce Mervellon Watson, Charles Edward White - Arithmetic - 1908 - 432 pages
...certain mining products. The ton of 2000 Ib. is sometimes called a short ton. 17L TABLE OF TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces =1 pound (Ib.). These weights are used in weighing gold, silver, and some jewels. To get an idea of the weight of a... | |
 | John William Hopkins - Arithmetic - 1908 - 376 pages
...ream 12 gross = 1 great gross 2 reams = 1 bundle 20 units = 1 score 5 bundles = I bale TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (lb.) 1 pound Troy = 5760 grains Troy weight is used in weighing precious metals and jewelry. EXERCISE... | |
 | Edward Brooks - Mental arithmetic - 1908 - 182 pages
...gold, silver, precious stones, and in philosophical experiments. TABLE. 24 grains (gr.) . . . . equal 1 pennyweight, . pwt. 20 pennyweights ... " 1 ounce, . . . . oz. 12 ounces " 1 pound,. . . . Ib. 1. The term Troy is said to be derived from Troyes, the name of a town tu France, where the weight... | |
 | Lorenzo Dow Harvey - Arithmetic - 1909 - 412 pages
...What is done with this product? What does this operation show ? COMMON MEASURES TROY WEIGHT 215. Troy weight is used in weighing gold, silver, and jewels....(pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces, or 5760 grains = 1 pound (Ib.) XOTES. In indicating the fineness or purity of gold, it is considered... | |
 | Hollis Godfrey - Chemistry - 1909 - 480 pages
...Avoirdupois. TABLES OF WEIGHTS AND MEASURES 1 pound = 5760 grains. 1 ounce — 480 grains. TROY WEIGHT 24 grains (gr.) — 1 pennyweight, .pwt. 20 pennyweights = 1 ounce oz. 12 ounces — 1 pound Ib. AVOIRDUPOIS WEIGHT 16 ounces = 1 pound Ib. 100 pounds — 1 hundred-weight cwt. 20 hundred-weight,... | |
 | Lorenzo Dow Harvey - Arithmetic - 1909 - 412 pages
...is done with this product? What does this operation show ? COMMON MEASURES ' TROY WEIGHT 215. Troy weight is used in weighing gold, silver, and jewels. 24 grains (gr ) _ i pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces, or 5760 grains = 1 pound (Ib.)... | |
 | International Correspondence Schools - Commercial correspondence - 1910 - 486 pages
...1 ton Toz. Ib. qr. cwt. T. 16= 1 448= 28= 1 1,792= 112= 4=1 35,840 = 2,240 = 80 =20 = 1 TROY WEIGHT 24 grains (gr.) =1 pennyweight pwt. 20 pennyweights = 1 ounce •. oz. 12 ounces =1 pound Ib. gr. pwt. oz. Ib. 24= 1 480= 20= 1 5.760=240 = 12 = 1 APOTHECARIES' WEIGHT 20 grains (gr.) = 1 scruple... | |
 | DeForest A. Preston, Edward Lawrence Stevens - Arithmetic - 1910 - 380 pages
...Barley, 48 lb. Corn meal, 50 lb. Potatoes, 60 lb. Peas, 60 lb. Beans, 60 Ib. TABLE FOR TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces =1 pound (Ib.) In weighing diamonds and pearls the carat is often used as the unit. The carat is equal to 3.168 grains,... | |
 | John Charles Stone, James Franklin Millis - Arithmetic - 1910 - 440 pages
...technical pursuits. Goldsmiths, in weighing the precious metals and stones, use the system of Troy weight: 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (lb.) Physicians and druggists, in prescriptions, use the system of Apothecaries' weight: 20 grains... | |
 | Charles W. Morey - Arithmetic - 1911 - 454 pages
...TROY WEIGHT Troy weight is used in weighing gold, silver, and precious stones. TABLE OF TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) Fill the blanks : 1 Ib. = oz. = pwt. = gr. The coins now minted by the United States government are:... | |
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TROY WEIGHT. 24 grains (gr.) = 1 pennyweight (pwt.). 20 pennyweights = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 351. Apothecaries' weight is used in mixing medicines and in selling them at retail. APOTHECARIES 
