The Vintage Doan's Kidney Pills Porcelain Thermometer is a rare and collectible advertising piece that measures 23 inches in length and 6 inches in width. Featuring the iconic Doan's brand and a white color scheme, this thermometer hails from the United States and is a unique addition to any collection of merchandise and memorabilia. Perfect for vintage enthusiasts or those looking to add a touch of nostalgia to their decor, this thermometer is sure to be a conversation starter.