![Hungarian soldier wearing a new type of gas mask with a microphone to enable conversation during a gas attack. Nov. 10, 1939 Stock Photo - Alamy Hungarian soldier wearing a new type of gas mask with a microphone to enable conversation during a gas attack. Nov. 10, 1939 Stock Photo - Alamy](https://c8.alamy.com/comp/D18KFD/hungarian-soldier-wearing-a-new-type-of-gas-mask-with-a-microphone-D18KFD.jpg)
Hungarian soldier wearing a new type of gas mask with a microphone to enable conversation during a gas attack. Nov. 10, 1939 Stock Photo - Alamy
![My MK.IV EA respirator without any defects dated 1939 even the head harness is still in excellent condition : r/gasmasks My MK.IV EA respirator without any defects dated 1939 even the head harness is still in excellent condition : r/gasmasks](https://preview.redd.it/m89m3bomlzh71.jpg?width=640&crop=smart&auto=webp&s=5926aed166bfd24dd39c4a16b7736fe445f4108f)
My MK.IV EA respirator without any defects dated 1939 even the head harness is still in excellent condition : r/gasmasks
![Original German WWII M30 3rd Model Size 2 Gas Mask with Filter & Canis – International Military Antiques Original German WWII M30 3rd Model Size 2 Gas Mask with Filter & Canis – International Military Antiques](https://cdn.shopify.com/s/files/1/1524/1342/products/ONSV21NSH237__07.jpg?v=1638565195)