Aero liquid oxygen container, mark 1, serial number 22, in wicker basket cover, with Erichsen test sheet, by John Levick, Birmingham, England, 1914-1923. A vacuum flask with a capacity of 20 litres (equivalent to 15,800 litres of oxygen gas), used for transporting liquid oxygen to airfields from point of manufacture.
Aero liquid oxygen container, mark 1, serial number 22, in wicker basket cover, by John Levick, Birmingham, England, 1914-1923. A vacuum flask with a capacity of 20 litres (equivalent to 15,800 litres of oxygen gas), used for transporting liquid oxygen to airfields from point of manufacture.
Copper Erichsen test sheet with two hemispherical protrusions, associated with an aero liquid oxygen container, by John Levick, Birmingham, England, 1914-1923
