DJ Delorie <dj@...> writes: > That's why I was looking for my vacuum gauge :) My wife found it. I'm drawing about 2.5 in Hg, either with the stopper or just holding the tube in the airstream (venturi). So I built a small wooden venturi-style holder for it, allowing maximum airflow into the shop vac. That's only about 115 lbs across the whole glass plate.
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Re: [Homebrew_PCBs] Re: vacuum hold-down for exposure box
2009-03-23 by DJ Delorie