Vintage Bubble Up Porcelain Thermometer sign. This vintage Bubble Up thermometer is a must-have for any collector of hunting and outdoor sports memorabilia. Made of durable porcelain, it features the iconic graphic with the glass bottle and is perfect for displaying in a garage or man cave. Measuring at 4 3/4 by 7 1/2 inches, it is a great size for display. With its bright colors and classic design this sign is sure to catch the eye of anyone who appreciates Soda advertising. Discover More About the Porcelain Signs Available in Our Other Auctions, Which Include a lot of Gasoline brands, Soda, Route 66 and other porcelain Items. Vintage Bubble Up porcelain thermometer. 4 3/4 inches by 7 1/2 inches. Vibrant colors and excellent porcelain.