Sold. Sold. A wall hanging advertising thermometer for Atlas Savings and Loan Association with an address and telephone number in the city of Chicago. Almost 6-1/4 in. tall and 2 in. wide. Marked on the edge and on the back by Parisian Novelty Co., Chicago. Patent date 10-16-1923. Front covered with a sheet of celluloid, back with heavy textured paper. The whole assembly is rigid so probably reinforced inside. Thermometer tested for accuracy originally and is still accurate. User information on back label. There is a crack in the celluloid from the phone number to the 110 degree mark on the thermometer scale. Otherwise very good condition. Parisian Novelty Co. product is highly collectible.