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safty glass is used in world war 1 (jan 8, 1914 – jun 21, 1918)

Description:

To protect soldiers eyes, safty glass was incoprtated into eye holes of ww2 glass masks

Added to timeline:

bulletproof glass

Byenrique piedra

13 Sep 2017

0

0

1472

Date:

jan 8, 1914

jun 21, 1918

~ 4 years and 5 months

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