Re: [Phys-l] lead brick

[trappe@physics.utexas.edu]

and then you have to get them shipped...
I got mine from a lead supplier out of Houston, Tx.

There is a problem of toxicity that we probably should be addressing  
by coating them.  Unfortunately, most coatings flake off/peel  
off/break off over time.  This is especially true if you hit the brick  
with a stick.

At the very least, we need to think twice about eating lunch right  
after doing inertia bongs demo using lead brick.  Handling the brick,  
then handling a snace without sufficient washing is not smart.  Karl

Quoting John Mallinckrodt <ajm@csupomona.edu>:

> Googling "lead ballast" returns several places selling 25 pound lead
> bricks for ~$45.  Looks like the going rate is ~$2/pound.
>
> On Oct 15, 2009, at 11:52 AM, Anthony Lapinski wrote:
>
> > I'm looking for a rectangular lead brick to do some mass/weight/
> > inertia
> > demos. I got one (2" x 4" x 8", mass = 12.5 kg) from Biodex years
> > ago, and
> > now they want $85 for it.
> >
> > Anyone know of a relatively inexpensive source for these bricks?
>
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