Coffee Made Visible In New Urn (Aug, 1936)
Coffee Made Visible In New Urn
FITTED with an automatic temperature control a new type of glass coffee urn for restaurant use was recently displayed in Chicago before a group of nationally known hotel men. Through the use of a special thermostatic control the temperature of the coffee never exceeds 200 degrees or goes below 196 degrees. Amount of coffee in urn is always visible to both customer and waiter.