Tai-Pan wrote:

>  Hi Ivan and Reid and listers,
>
>
>  Under avoirdupois a pound is 16 ounces or 7,000 grains.
>  Under Troy a pound is 12 ounces or 5,760 grains.
>

Ah yes.  The riddle I use to pull on people long ago. What weights more,
a pound of feathers or a pound of gold.  Most people would think the
gold weights more for a second, then realize the if they both weight a
pound, then they are the same, and think they had solved the riddle. But
the answer would usually surprise them, the feathers weigh more because
they are measured in avoirdupois and gold is weighed in Troy.

Once they had that, I would give them the riddle of which weight more,
an ounce of gold or an ounce of feathers.  They would guess feathers,
but the answer is gold, since there are only 12 oz of gold in a pound
and 16 of feathers in a pound.

Real confusing.

Marshall


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