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Re: [OM] Separated Zuiko 250/2, was: Inside the Zuiko 300mm F4.5

Subject: Re: [OM] Separated Zuiko 250/2, was: Inside the Zuiko 300mm F4.5
From: Andrew Fildes <afildes@xxxxxxxxxxxxx>
Date: Thu, 12 Nov 2009 20:45:43 +1100
Yes, tho' I'm not sure it's the only one. We used it to etch glass for  
leadlight work - in a fume cabinet with a shower next to it. A splash  
will eat down to the bone.
Andrew Fildes
afildes@xxxxxxxxxxxxx



On 12/11/2009, at 6:11 PM, Jim Nichols wrote:

> If I recall my high school chemistry correctly, hydroflouric is the  
> only
> acid that cannot be contained in glass.  At least that was the story  
> 60
> years ago.  I believe it was normally stored in a special wax-lined
> container.

-- 
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