GRAF GRUYER CREAM "the best of all". Rare glasoid support thermometer after Joë Bridge, circa 1930. Excellent condition, very fresh colours, very good brightness (only the glass tube is cracked). Manufacturer: "L.Mercier. -Paris" 27.4 x 10.3 cm. In 1917, the 3 GRAF brothers set up a factory in Dôle in the Jura, and in 1960 the GRAF and BEL companies merged. ( source: camembert-museum.com)