[Vwdiesel] Heads up

[Roger Brown]

mikitka wrote:
> Calcium Carbide lamp is what my Grandfather used in the coal mines of Pa.  I
> also have a "Big Bang" cannon that uses that stuff, It can be really loud.
> Like Roger said, it does produce a nasty slim on the bottom of the water
> tank.
> Nick

In fact the residue is caustic lime (calcium hydroxide) and is fairly nasty stuff:
	http://en.wikipedia.org/wiki/Calcium_hydroxide
I recall some of the metal parts on the inside of my old carbide lamp were eaten away over time.

-- 
    Roger