[urq] [s-cars] NAC, thoughts on copper prices

[n-engelbert at terrans.net]

Pow.

http://www.finishing.com/284/04.shtml

Halfway or so down the page is the info we're looking for.

Back to your regularly scheduled programming.

Nathan



>
> In high school chemistry class c. 1995, one "experiment" we did was to
> take a bag with 10 pennies, take their mass, and based on the mass of a
> bag of 10 pre-1982 pennies, and a bag of 10 post 1982 pennies, determine
> the number of pre and post 1982 pennies in the bag.
>
> So, something changed in 82, and I thought it was that the pre-1982
> pennies were all or mostly copper.
>
> Nathan
>