On Thu, 27 Jan 2011 14:30:40 -0500, "James Silverton"
> wrote:

> I used a
> cylindrical rolling step stool in the lab and was impressed enough to
> buy one for myself, which I've still got.

You mean something like this
<http://www.materialflow.com/global/images/part_class_images/thumbs/trolling-step-stools3317-.jpg>
or this
<http://www.concordsupplies.com/_webcache/rub252300bk_1_1.jpg>
I use them at home too.

--

Today's mighty oak is just yesterday's nut that held its ground.