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Measuring apparatus

  • US 2,787,903 A
  • Filed: 06/29/1953
  • Issued: 04/09/1957
  • Est. Priority Date: 06/29/1953
  • Status: Expired due to Term
First Claim
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1. APPARATUS FOR DETECTING THE PARTIAL PRESSURE OF OXYGEN IN AN ATMOSPHERE CONTAINING SULPHUROUS COMPONENTS, COMPRISING A FIRST ENCLOSED CHAMBER HAVING AS A GASEOUS INLET A FIRST GASEOUS PERMEATING ELEMENT WHICH WILL PASS OXYGEN AND EXCLUDE THE SULPHUROUS GASES, SAID CHAMBER BEING ARRANGED FOR EXTENSION INTO THE ATOMSPHERE, A SECOND ENCLOSED CHAMBER POSITIONED WITHIN SAID FIRST CHAMBER AND HAVING A GASEOUS INLET FORMED OF A SILVER ELEMENT WHICH HAS A HIGH SELECTIVE PERMEABILITY OF OXYGEN, AND COUPLING MEANS ARRANGED FOR CONNECTING SAID SECOND CHAM-

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