This classic Vermont spirit thermometer is the original design of Stephen Conant, company founder and president of Conant Custom Brass. Ever since the introduction of the T-1 model in 1992, Conant Custom Brass, Inc. has been leading the industry in the production of high quality, solid brass and copper indoor and outdoor thermometers. These classic outdoor thermometers offer an elegant and inexpensive way to monitor the temperature, while tabletop models add the flexibility of measuring the temperature just about anywhere. All spirit thermometers are 100% Made in the USA. Contains no mercury!