Getting air out of a mercury barometer?
Christopher Tidy writes:
Or connect a pump directly to the reservoir (so long as I make sure
the mercury can't go into the pump)?
Exhaust the pump out of doors? Vapor pressure of Hg at room temp is
not negligible so as you approach vacuum, you're sucking and
exhausting more and more Hg molecules.
Just a thought...
--
Mike Spencer Nova Scotia, Canada
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