Rare 1930 GULF NO-NAX Gasoline and Gulfpride Oil Thermometer. This particular thermometer was made for MINTZER PETROLEUM CORP. Troy New York. The thermometer works fine and is accurate it's in good shape with no cracks or chips. Total length is 5-3/4". There are signs of use normal for age.  Please view the photos they're part of the description. Any questions or additional photos wanted please ask before bidding. Condition is used shipped USPS.