Date: Tue, 28 May 2002 10:41:18 -0400 (EDT)

Author: John Mocko

Subject: Re: Weird mercury tube


My understanding of it was that it's designed to show Brownian motion of
particules...the mercury heats up and moves the crystals. I had one around
the lab....I disposed of it as a safety hazard.

John Mocko

On Tue, 28 May 2002, Duane Pontius wrote:

> Greetings,
> We're moving into a new building, which entails plowing through piles
> of weird objects in the demo room that haven't been disturbed for
> decades. One item in particular has everyone puzzled. It's a sealed
> glass tube with a few cc's of mercury and some bluish-purple
> crystals. The tube is supported in a heat-resistant clamp, so I
> presume it was once heated. Anybody have any ideas about what it
> might be good for, or should I consign it for hazardous waste
> disposal? Thanks.
> dp


John Mocko
Senior Teaching Laboratory Specialist (Lecture Demonstrations)
Department of Physics
University of Florida
Gainesville, Fl.