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Re: mercury amounts & repairs

My version, somewhat similar is two short 7mm tubes - one is blown on one 
end to a 1/2" bulb which is a Hg reservoir. The other is drawn to a fairly 
long taper with a rather tiny hole.  An inch or so of blowhose tubing is 
between the 7mm ends. A small piece of blowhose slips over the taper and is 
pushed down toward the middle some to form a collar.  I use a stopper made 
of  blowhose capped on one end with glass rod (or a tipped off piece of 
tubulation. 

With the bulb (reservoir) angled downward (the assembly can bend in the 
middle) the tapered end fits into the tubulation where you intend to place 
the merc. Tipping the bulb upward, I control the amount of merc that 
accumulates at butt does not spill from the tip until a squueze on the 
blowhose in the middle pushes it.

Pull it out and tip the excess merc back into the reservoir and  then return 
and push the tip in a bit more so that the rubber collar is now against the 
tubulation and with the merc returned to the reservoir (by tipping it back 
downward) you can squeeze again to push the merc to the trap.

My tubulation to the  trap always has a bit of an incline (down toward the 
trap). 


Anyone regularly using a powered injector? 


Kenny

 

>getting the mercury into the trap. We have a rubber squeeze bulb (from the
>same scientific supply place Tom mentioned) that attaches to 7mm glass. The
>glass is actually a 7mm piece spliced onto a 5mm piece. On the 5mm piece we
>attached about 2-3" of blowhose tubing. We attach this apparatus to the end of
>the tubulation that contains the mercury and squeeze. That way, the mercury is
>safely pushed into the trap (without blowing into the end or using something
>to push it that could keep a small amount of merc on the end).
>
>   I don't know what you people use for this, but this works great for us.
>
>
>
>  E-mail from: Chris Biebel, 20-Feb-1996
>
>
>
>

Kenny Greenberg   Neon Artist, Scenic Specialist, Columnist - Internet World
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