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Re: merc. injector

Posted By: John Anderson
Date: Thursday, 27 September 2007, at 7:43 p.m.

In Response To: Re: merc. injector (SVP Neon Equipment)


> They have a
> metal needle filled with mercury, which is
> not the safest thing to have around a busy
> neon shop, drip mercury out of the end
> unless you retract the plunger every time,
> which means you get to start over again
> pushing the button to dispense the next
> dose, and guess when the mercury is going to
> start coming out because you cannot see
> where the mercury is inside the needle. If a
> metal-needle injector is what someone really
> wants the SVP Neon Tube Mercury Injector may
> be fitted with a metal needle, though I do
> not recommend it for the reasons mentioned.

I agree with all your assessments. It's by no means a ideal solution. I keep mine in a small tray of powdered zinc to catch the inevitable dribbles. This is really a "must" with any syringe unless you can retract it each time as Mark suggested.


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