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RE: Machining an Egg



Original poster: "Cameron B. Prince" <cplists@xxxxxxxxxx>

Hi Ed,

I actually held the egg from the museum in my hand and it's solid and heavy.
I think this is what keeps it on the platter unlike Harry Goldman's which
tends to fly off from what I've been told.

The copper is expensive. The 2 inch by 6 inch rod is almost $100.00.

Maybe D.C. Cox can tell us about his egg without giving away too much...

D.C.?

Thanks,
Cameron

> -----Original Message-----
> From: Tesla list [mailto:tesla@xxxxxxxxxx]
> Sent: Saturday, September 16, 2006 9:25 PM
> To: tesla@xxxxxxxxxx
> Subject: Re: Machining an Egg
>
> Original poster: Ed Phillips <evp@xxxxxxxxxxx>
>
> But you can't very well build an Egg of Columbus without an egg... I'd
> like
> to have one made of solid copper 2.5 to 3.0 inches in diameter by probably
> 3.5 to 4.0 inches tall. The onlinemetals.com site has 3" round copper
> stock
> and you can buy in any length. I just need someone with a lathe to cut or
> trim an egg out of it. Can anyone help?
>
> Thanks,
> Cameron"
>
>     That sounds like a very difficult job and also quite expensive -
> what does that copper cost?  Be mighty heavy too - I would think a
> hollow shell would be much better.  Must be a better way...........
>
> Ed