Thermistor thermometer

Portable grey and silver unit with a control knob and a reader dial with a needle and markings in degrees celsius from -30 to 20 on the front. Two grey plastic probe attachments plug into sockets at the top front of the main unit. The unit is used to measure the temperature of items being probed. The thermometer and probes are held in a black synthetic carrying case with red lining and a black strap. Brief instructions and the name of the device, 'EDALE THERMISTOR THERMOMETER MODEL K' are inscribed on a sticker inside the case and a further inscription 'MIDDLETON VIA BLACKFRIRS' is present on a white sticker on the outside.