 | Andrew Ure - 1821 - 436 Seiten
...another of equal colour, transparency, purity, form, &c. isas the squares of the respective weights. The average price of rough diamonds that are worth working, is about L. 2 for the first carat. The value of a cut diamond being equal to that of a rough diamond of double... | |
 | Francis Lieber, Edward Wigglesworth, Thomas Gamaliel Bradford, Henry Vethake - 1830 - 612 Seiten
...that of another of equal color, transparency and purity, is as the squares of the respective weights. The average price of rough diamonds, that are worth working, is about £2 for the first carat. The value of a cut diamond is equal to that of a rough diamond of double weight,... | |
 | Andrew Ure - 1831 - 980 Seiten
...another of equal colour, transparency, purity, form, ike. is as the squares of the respective weights. The average price of rough diamonds that are worth working, is about -'-'.'_' for the first carat. The value of a cut diamond being equal to that of a rough diamond of... | |
 | Luke Hebert - 1835 - 816 Seiten
...another of equal colour, transparency, purity, form, &c., is as the squares of the respective weights. The average price of rough diamonds that are worth working is about two pounds for the first carat ; and the value of a cut diamond being equal to that of a rough diamond... | |
 | Francis Lieber, Edward Wigglesworth - 1835 - 608 Seiten
...that of another of equal color, transparency and purity, is as the squares of the respective weights. The average price of rough diamonds, that are worth working, is about £2 for the first carat. The value of a cut diamond is equal to that of a rough diamond of double weight,... | |
 | Luke Hebert - 1836 - 814 Seiten
...another of equal colour, transparency, purity, form, &c., is as the squares of the respective weights. The average price of rough diamonds that are worth working is about two pounds for the first carat ; and the value of a cut diamond being equal to that of a rough diamond... | |
 | Sir Daniel Keyte Sandford - 1836 - 502 Seiten
...of another of equal colour, transparency, and purity, is as the squares of the respective weights. The average price of rough diamonds, that are worth working/ is about £2 for the first carat. The value of a "cut diamond is equal to that of a rough diamond of double... | |
 | Charles Frederick Partington - 1838 - 1116 Seiten
...that of another of equal colour, transparency and purity, is as the squares of the respective weights. The average price of rough diamonds, that are worth working, is about '21. for the first carat. The value of a cut diamond is equal to that of a rough diamond of double weight, exclusive... | |
 | Andrew Ure - 1844 - 756 Seiten
...diamond pf double weight, exclusive of the cost of workmanship. The weight and value of diamonds are reckoned by carats of 4 grains each ; and the comparative...polished diamond of one carat must have taken one of 2 carats, its price in the roueh state is double the square of 21., or 81. Therefore, to estimate the... | |
 | 1850 - 638 Seiten
...of another of equal color, transpa- . rency and purity, is as the squares of the respective weights. The average price of rough diamonds, that are worth working, is about £2 for the first carat. The value of a cut diamond is equal to that of a rough diamond of double weight,... | |
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... is as the squares of the respective weights The average price of rough diamonds that are worth working, is about £2 for the first carat. 
