Dipel Worm Killer Advertising Antique Thermometer

Advertising thermometer that is in working condition which advertises for Dipel worm killer. Notice the detailed graphic on the top of the thermometer showing the worms eating through the leaves and the caption, ‘A worm’s worst enemy!’. ‘Protects soybeans Tobacco vegetables and cotton’. There is even a detailed graph that shows where you can use Dipel. This thermometer measures 24″ long and is across the top 8″ wide and at the bottom is 6 1/2″ wide. The thermometer reads in both Fahrenheit and Celcius.