A lot of two vintage American Whistle Soda clock ads, circa the mid of 20th century. The first electrical ADS wall clock, with a light bulb inside, is presumably glowing. A clock with a glass bumble dial and an enameled image of two cartoon elves, numbers, and an inscription THIRSTY? JUST WHISTLE GOLDEN ORANGE GOODNESS. Hallmarked lower: PAM CLOCK CO., INC., NEW ROCHELLE, N.Y. 57. The second item is a thermometer, which has a glass bumble dial and enameled multicolor design in the form of notes with an inscription THIRSTY? JUST WHISTLE SPARKLING ORANGE GOODNESS. American Advertising Collectibles For Wall Decor, Advertising Signs and Collectibles.