Nurses dress varied by country and I've seen varying apparel, so I think there wasn't a strict dress code. I cannot describe it but visit the link below to see an example of a couple of US nurses from WW1.
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i need a picture of a nurses uniform from Canada from ww1
Nurses in World War 1 wore nurses uniforms. See the link - I Warner
in world war one it was light blue and in world war two it was normal blue
they look like a piece of paper that saves Canada
Maybe full of techology
Round with spikes
The Luftwaffe uniform was air force blue -a grey-blue colour, similar to that of the Royal Air Force.