Oxygen cylinders, 6, in pairs, in 3 wooden cases, German, probably 1st World War Oxygen Cylinders 1914-1918
Pacemaker, external model, prototype made at Hammersmith, battery powered, without catheter, c.1958 Pacemaker, external model
Hypodermic syringe, glass and vulcanite, cased, with accessories, probably German, 1890-1910 Hypodermic syringe