Well Scoop Thermometer (Tank Thermometer)) in slotted brass armour

• slotted brass armour 20 x 200 mm • scoop of 70 mm hogh and 32 mm in Ø • double protection subject to a second rotatable metal sheath • thermometer with milk glass scale • capillary lens front, blue reflecting • filled with red special liquid, total immersion range: 0 - +50 °C