To access a Mirro pressure cooker instruction manual, visit PressureCookerOutlet.com, hover over Pressure Cooker Parts and select Mirro Pressure Cooker Parts. Scroll down the page to click the link to Current Mirro Instructions or the Mirro Matic Manual 1958. HealthyCanning.com also offers links to current and vintage Mirro manuals.
The current Mirro pressure cooker instructions on PressureCookerOutlet.com date from 2004 and cover the 4, 6, 8, 12 and 22-quart sizes. The manuals featured on HealthyCanning.com are undated, and the site recommends limiting their use to the operation and maintenance of the Mirro canner, as some food pressure canning directions they contain have changed in recent years.