Freya loves to blow hard, and nothing we have at the Lab gives her a better opportunity to do that than our 100-plus year old penny arcade lung tester. She's just tested her blowing pressure with modern instrumentation, achieving approximately 3.6 psi. How does that translate into "ounces" measured by our most steampunk piece of equipment?

Freya loves to blow hard, and nothing we have at the Lab gives her a better opportunity to do that than our 100-plus year old penny arcade lung tester. She's just tested her blowing pressure with modern instrumentation, achieving approximately 3.6 psi. How does that translate into "ounces" measured by our most steampunk piece of equipment?