at that stage it is unlikely you can preserve it.
Store your military gas mask as follows: Use the mask faceform to prevent damage to the mask in storage. Do not store or transport the mask under heavy or sharp objects. Do not store the mask where it could be exposed to extremes Always clean and thoroughly dry the mask before storage.
If you smell gas there is most likely a leak. Star looking around for possible leak places ie. rotted gas tank,rotted gas lines from tank to carb,rotted filter,rotted filler tube. Remember it is 40+ years old and things rot. Use both your eyes and nose to locate the source. The stronger the smell the closer you are to the problem.
It depends on the type of mask... some consist of a (usually rubber) hood and some have just a face mask with straps to attach it. Generally it is a good idea to have short hair and be clean shaven to get the best airtight seal. As much contact with bare skin as possible should give a good seal.
Gas mask was created in 1914.
I think it stopped gas getting in the mask...
A person wearing a gas mask.
A gas mask is used to filter out toxic agents in the air.
M65 Gas Mask.
The main part of the gas mask is made out of rubber.
its a mask made for ariabians
They use the military varient of the Gp7 gas mask.
It's just called a gas mask.