 | International Correspondence Schools - Electrical engineering - 1897 - 346 pages
...considered one ton, unless the long ton (2,240 pounds) is especially mentioned. TROY WEIGHT. TABLE 9. 24 grains (gr.) = 1 pennyweight .... pwt. 20 pennyweight =1 ounce oz. 12 ounces =1 pound Ib. Ib. oz. pwt. gr. 1 = 12 = 240 = 5,760 MEASURES OF CAPACITY. LIQUID MEASURE. TABLE 10. 4 gills (gi.)... | |
 | James Morgan Rawlins - Arithmetic - 1899 - 302 pages
...Ib. ? 4250 Ib. ? 10,000 Ib. ? 5. How many long tons in 2240 Ib. ? In 6720 Ib. ? TROY WEIGHT. Table. 24 Grains (gr.) = 1 Pennyweight (pwt.). 20 Pennyweight = 1 ounce (oz.). 12 ounces = 1 pound (Ib.). 1 Troy Ib. = 5760 gr. 1 Avoirdupois Ib. = 7000 gr. 1 Troy oz. = 480 gr. 1 Avoirdupois oz. = 437J gr.... | |
 | James Morgan Rawlins - Mental arithmetic - 1899 - 196 pages
...each. 7. What is the value of 90 articles valued at £2 16s. 6d. each? LESSON II. TROY WEIGHT. Table. 24 Grains (gr.) = 1 Pennyweight (pwt.). 20 Pennyweight = 1 Ounce (oz.). 12 Ounces = 1 Pound (Ib.). 1 Troy Ib. = 5700 gr. 1 Avoirdupois 1Ъ. = 7000 gr. 1 Troy oz. = 480 gr. Exercises. 1. How many grains... | |
 | James Morgan Rawlins - Arithmetic - 1899 - 300 pages
...lb. ? 4250 lb. ? 10,000 lb. ? 5. How many long tons in 2240 lb. ? In 6720 lb. ? TROY WEIGHT. x Table. 24 Grains (gr.) = 1 Pennyweight (pwt.). 20 Pennyweight = 1 ounce (oz.). 12 ounces = 1 pound (lb.). 1 Troy lb. = 5760 gr. 1 Avoirdupois lb. = 7000 gr. 1 Troy oz. = 480 gr. 1 Avoirdupois oz. =... | |
 | James Morgan Rawlins - Mental arithmetic - 1899 - 196 pages
...each. 7. What is the value of 90 articles valued at £2 16s. 6d. each? LESSON II. TROY WEIGHT. Table. 24 Grains (gr.) = 1 Pennyweight (pwt.). 20 Pennyweight = 1 Ounce (oz. ). 12 Ounces = 1 Pound (lb.). 1 Troy lb. = 5700 gr. 1 Avoirdupois lb. = 7000 gr. 1 Troy oz. = 480 gr. Exercises. 1. How many... | |
 | James Alexander McLellan, Albert Flintoft Ames - Arithmetic - 1899 - 160 pages
...ounce Avoirdupois = 437J grains TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) 1 pound Troy = 5760 grains APOTHECARIES' WEIGHT 20 grains (gr.) = 1 scruple (3) 3 scruples = 1 dram (3) 8 drains = 1 ounce ( 5... | |
 | International Correspondence Schools - Marine engineering - 1900 - 614 pages
...considered one ton, unless the long ton (2,240 pounds) is especially mentioned. TROY WEIGHT. TABLE 9. 24 grains (gr.) = 1 pennyweight .... pwt. 20 pennyweight = 1 ounce oz. 12 ounces = 1 pound Ib. Ib. oz. pwt. gr. 1 = 12 = 240 = 5,760 204. Troy weight is used in weighing gold and silver ware, jewels,... | |
 | John William Hopkins, Patrick Healy Underwood - Arithmetic - 1903 - 578 pages
...units = 1 score 5 bundles = 1 bale TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) 1 pound Troy = 5760 grains Troy weight is used in weighing precious metals and jewelry. REDUCTION DESCENDING EXERCISE 85 (Written)... | |
 | John William Hopkins - Arithmetic - 1907 - 376 pages
...units = 1 score 5 bundles = 1 bale TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) 1 pound Troy = 5760 grains Troy weight is used in weighing precious metals and jewelry. EXERCISE 55 Reduce to seconds : 1. 18°... | |
 | John William Hopkins, Patrick Healy Underwood - Arithmetic - 1912 - 406 pages
...in 1 long ton ? in 48 ounces ? TROY WEIGHT 24 grains (gr.) = 1 pennyweight (pwt.) 20 pennyweights = 1 ounce (oz.) 12 ounces = 1 pound (Ib.) 1 pound Troy = 5760 grains 1 grain (Troy) = 1 grain (Avoirdupois) Troy 'Weight is used in weighing precious metals and jewelry.... | |
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Table. 24 Grains (gr.) = 1 Pennyweight (pwt.). 20 Pennyweight = 1 Ounce (oz.). 12 Ounces = 1 Pound (Ib.). 1 Troy Ib. 
