Pocket thermometer, -38+50:1 °C, white prismatic, ID total, TL 140 mm, with case

Pocket thermometer, stem form, complete with nickel-plated brass case with bayonet lock and clip, diameter: 9 mm, measuring range: -38+50 °C in 1 °C, capillary: white back prismatic, red filling, immersion depth: total, total length: 140 mm