Kaiser Fototechnik 4083 Tray Thermometer

With angled stem and hook for hanging it on tray?s edge. Alcohol-filled bulb. Centigrade and Fahrenheit scales: 0 … 50? C/32 … 120? F. With marking at 18?C/64?F. Length: 85 mm +?40 mm of angled stem (3.3 + 1.6 in.), ? 10 mm (.4 in.)