Oxygen cylinder, one of two, for Siebe Gorman "Proto" Mark IV breathing apparatus, by Siebe Gorman and Company Limited, British, 1950 Oxygen cylinder, one of two for Siebe Gorman 'Proto' Mark IV breathing apparatus 1950
Oxygen cylinders, 6, in pairs, in 3 wooden cases, German, probably 1st World War Oxygen Cylinders 1914-1918
Oxygen cylinder, one of two for Siebe Gorman "Proto" Mark IV breathing apparatus, by Siebe Gorman and Company Limited, British, 1950 Oxygen cylinder, one of two for Siebe Gorman 'Proto' Mark IV breathing apparatus 1950
No 1, Mk2 positive pressure breathing apparatus and oxygen cylinder made by Chubb. No 1, Mk2 positive pressure breathing apparatus and oxygen cylinder made by Chubb