Vintage boxed set of eight beverage thermometers. Copyright 1940, The Ohio Thermometer Company, Inc., Springfield, OH. Inside top lid of box: The Perfect Host Serves Perfect Drinks. Tissue paper pamphlet has information, history, and directions. "The Green Spot Tells the Time to Tip". Box is worn but intact and has a strap on one side to hold cover open. Stir the thermometer until drink reaches proper temperature indicated by green spot (GO).
