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Old 17th May 2021, 7:46 pm   #35
factory
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Join Date: Jul 2009
Location: Cheshire, UK.
Posts: 898
Default Re: HP 180A Oscilloscope.

The foam is probably polyurethane, I used some offcuts of new lawnmower pre-filter foam in some recent repairs for an isolated board, but for the large strips under covers I just clean it off with a brush straight into the outside bin and forget about it.

David
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