Medical kit from another age

 We've been researching more about medicine in World War One - as part of the next stage of Heart of Conflict, our work marking the centenary of the war.
A visit to the Museum of Military Medicine in Aldershot was interesting.  In one sense, 100 years ago isn't that long - we've been working with people whose fathers were in the conflict.
But the gas marks in particular looks monstrously unfamiliar.  The horror of gas warfare took our army by surprise.