Medical Puritan Oxygen Manometer (0521)
Index: 0521
Year: Around 1943
Maker: Puritan Compressed Gas Corporation
Dimensions: 8 x 3 x 6 cm
Info
Old medical manometer from Puritan Compressed Gas Corporation designed to deliver a mixture of helium-oxygen. The scale ranges from 0 to 3000 pounds per square inch (corresponds to approx 207 bar). The outside of the manometer is fully chromed.
Around 1951, the company was merged/renamed Puritan-Bennett
Note: Parker B. Francis, founder, seemed to have invented the oxygen masks for pilots flying at high altitudes.
References/Links/More Info
Francis Family Foundation - History Puritan Compressed Gas
Fundinguniverse - Puritan-Bennett Corporation History
Virtual Museum American Association Respiratory Care - Heliox Regulator
