From a 1930's Owner's Manual for a pressure cooker. This book belonged to Jo Harrison - DLL
Anita took Mom and I to a shop near Eureka, CA that rebuilds stoves from the 1920's, 30's, and 40's. Some were similar to this picture. Those stoves were amazing! Some have really unique features such as built in Soup pots and trash burners with side vents to help heat the room. - DLL