American. 1950s and 1960s. Reverse painted glass. Aluminum body. Automatic Superflame dial marked, "T.W O'Connell & co. Chicago 13 Ill.", lower edge. Duo-Therm dial marked, "T.W O'Connell & co. Chicago Ill.". Superflame Incinerators dial marked, "Pam clock co inc. New Rochelle NY USA ©59", lower edge. All items are guaranteed authentic by Miller & Miller Auctions.

Size
12.25" Dia x 1.5" and 12.5" Dia. x 1.75".

Condition
Very good condition. Dials show excellent colour and gloss. The Superflame examples show some minor staining, particularly in lower edge. Each case shows minor impressions and bent tabs, particularly the PAM Superflame case has an impression from impact to the upper left return edge on reverse side. Each case shows varying degrees of oxidation. Each thermometer reads accurately.