This thermometer, made by Wheeler & Taylor, Inc. in Massachusetts, is a great addition to any collection of scientific instruments. It bears the brand name Taylor and was manufactured in the United States. The thermometer's time period of manufacture is from 1930 to the present day. It is a unique collectible item and has not been modified in any way. This item falls under the category of Thermometers, Scientific Instruments, Science & Medicine (1930-Now), and Collectibles.