Pressure canners are the legendary generational hand-me-downs of the kitchen. Mine is 50 years old this month, still works like new and all the parts, gasket & etc. are still available. :
Mirro-Matic Pressure Cooker Lid Safety Fuse Fits M-0436 Parts Only | eBay
Question about vintage "Mirro" pressure cookers.
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Mirro-Matic Pressure Cooker Lid Safety Fuse Fits M-0436 Parts Only | eBay