Firstcall Thermometer, Angled Dish Spirit

With angled stem and hook for hanging it on the developing dish edge. Alcohol-filled bulb. Centigrade and Fahrenheit scales: 0 ... 50? C/32 ... 120? F. With marking at 18?C/64?F.

Length: 85 mm + 45 mm of angled stem (3.3 + 1.8 in.), ? 10 mm (.4 in.)