12" in diameter. Rare Hastings Piston Rings Thermometer. 1950s. Hastings thermometer features a large graphic of the famous “thief” mascot under the caption “Tough but oh so Gentle”. Condition: Excellent.Retains “Special Notice” paper sticker on reverse (a testament to indoor storage). Marked lower edge “T.W O’Connell & Co. Chicago 7, Ill. CODE-PET. CODE-SIG