Large PPG (Ditzler) Thermometer 1970's (price reduced)

Large vintage PPG DITZLER Automotive Finishes Thermometer as shown in the picture. 18 inches in diameter. It has a guide to show which thinners and reducers should be used for the current temperature of your garage or shop. It had been hanging in an automotive shop and has some dust and small scratches. Has been in storage for approx 15 years. It is in very nice condition with little to no rust or oxidation. Has been cleaned with soap & water, but has not been taken apart to be cleaned under the plastic lens. Works, but has not been checked for accuracy. May be picked up in Corona, Ca. with cash payment.