Measures 12 in diameter and 1 in width. AWESOME great looking advertising thermometer, in Amazing condition, this piece is a must have for your automotive advertising memorabilia collection and display.Please see pictures for condition and details. Please see photos for details, let us know if you need additional photos for details. The item "1950s AC SPARK PLUGS Auto Gas Service Station Advertising Glass Thermometer Sign" is in sale since Wednesday, May 13, 2020. This item is in the category "Collectibles\Advertising\Gas & Oil\Merchandise & Memorabilia\Signs". The seller is "armada_antiques" and is located in Ogunquit, Maine. This item can be shipped worldwide.