You're right Jan, I didnm't think it through=0AGraham=0A=0A=0A=0A=0A_______
_________________________=0A From: Jan de Jong <jan_de_jong@casema.nl>=0ATo
: europa-list@matronics.com =0ASent: Thursday, 28 November 2013, 20:39=0ASu
bject: Re: Europa-List: sight gauge alternative=0A =0A=0A--> Europa-List me
ssage posted by: Jan de Jong <jan_de_jong@casema.nl>=0A=0AHi Graham,=0AI sh
ould have added: overpressure at the top of the tank will be applied equall
y to both "columns" and have no influence on the measured difference.=0A(I
am assuming that the overpressure does not measurably change the density of
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