Lifeline Fan Belts and Flexible radiator hoses advertising thermometer. It was made and marked on the bottom by TW O'Connell & Co. Chicago 13, Ill. Made in USA. It has a curved glass front with a metal frame. It is in excellent condition with only some minor scratches to the paint (under the glass) most likely from manufacturing. Please see pictures for condition.
Great looking piece for your man-cave or garage. This is a rather collectable advertising thermometer.
The thermometer has a 10" diameter and is 1-1/4" deep.