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Chasemuseum

Late production Mk I helmet with sponge rubber crown

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Chasemuseum
Posted (edited)

With other posts on British helmets I thought that this may be of interest. Maker "HS"  Hadfields Steel 

Cheers

RT

 

750844364_UK1120111.JPG.98a804a6f6fc27c0c9f41d979270bb99.JPG

 

1871797223_UK1120114(2).JPG.65a2bb68670fe6ee2fe9295f5076a1af.JPG

 

2141845101_UK1120119.thumb.JPG.12966f253ec4d848635b54fd35f2d9a9.JPG

 

428857065_UK11201112.JPG.89cf0ad96ce9ec0a04fc7b3e735a71d6.JPG

Edited by Chasemuseum
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JMB1943

Ross,

 

This is the first helmet photo that I have seen with the rubber crown intact.

I would expect it to be pretty crumbly by now---is it?

Also, was it made with the asbestos pad that the early production helmets have?

Anyway, a nice-looking survivor!

 

Regards,

JMB

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Chasemuseum

Yes the rubber is crumbly and I am very careful of it. It does not appear to have the asbestos pad but I am not prepared to pry it up to look properly so this is not a definitive answer. THe revised design of the head band using woven hessian is also interesting.

Cheers

Ross

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Chasemuseum

It is a sponge/foam rubber. You will also see foam rubbers used in various British gas goggles and in the PHG anti-gas hood/gasmask. Also various armour goggles has a backing of a foam rubber.  There were definitely multiple foam rubber products in use during WW1.

 

If you look at the references in the Wikipedia article, the Dunlop Patent of 1929 #US1929603 is for an improved process in the manufacture of a foam rubber, to produce a superior product and makes reference to the existing products.

Cheers

Ross 

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Dai Bach y Sowldiwr

Thanks for that clarification.

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