METAVANE

APPARATUS FOR USE IN PNEUMATIC TELEMETERING SYSTEMS-NAMELY, APPARATUS WHEREIN A FLUID PRESSURE IS MADE PROPORTIONAL TO, OR REPRESENTATIVE OF, THE VALUE OF A MEASURED MAGNITUDE AT THE POINT OF MEASUREMENT AND IS QUANTITIVELY DETERMINED AT A REMOTE POINT, WHEREBY AT SAID REMOTE POINT THERE IS EXHIBITED A VALUE OF THE MAGNITUDE UNDER MEASUREMENT