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Re: [Phys-l] possible projectile lab

At 11:41 AM -0600 12/17/09, Brian Whatcott wrote:
Joseph Wise wrote:
/snip/
There is also the issue of "coupling" the counter top with the floor. We
> use a plum line for that. /snip/
>
A fruitful suggestion?

The Grad school low yemp lab I worked in had an oil manometer that someone had equipped with a plum line to keep it leveled.
It had transformed into a prune line by the time I used it.
But it still worked.