Talk:Troy weight

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Who defined the grain in terms of the gram? When? -- Anon.

"ounce of gold weighs more than an ounce of feathers" - be careful with that "weighs" word. Unless you weigh in a vacuum, a gram of gold weighs more than a gram of feathers, too.[1] Kwantus 20:23, 2004 Dec 8 (UTC)

Tried to fix mess. How's it look? Rossumcapek 02:04, 13 Dec 2004 (UTC)

In the troy system, there are 20 pennyweights in an ounce, and 12 ounces in a pound. In pre-decimalisation British currency, there were 20 pence in a shilling, and 12 shillings in a pound. I'm pretty sure there were other currencies with these subdivisions as well. I'm wondering if there's any historical basis for this; if anyone knows, it could make a good addition to the article. Izzycat 23:45, 18 February 2006 (UTC)

British currency was: 4 farthings to a penny; 12 pennies to a shilling; 2 1/2 shillings to a half crown; 5 shillings to crown; 20 shillings to a pound; 21 shillings to a guinea. Easy, huh?

If troy is a system of mass and avoirdupois is a system of weight (which is what the entries say) there should be a disclaimer somewhere that we're talking about (say) sea level on the earth.