This 1930's Boothman Coal Art Decco Thermometer is a must-have for any vintage collector. Measuring at 5.75 inches by 5.75 inches, this piece is a true representation of advertising merchandise and memorabilia from the past. The design of this thermometer is intricately detailed and is sure to catch the attention of any onlooker. The piece is in great shape and is ready to be added to your collection. There is a small chip on the backside of the left top piece of Bakelite.