History: A dog in the gas-proof chamber invented by C.H. Gaunt, Chief Technical Superintendent of the People's Dispensary for Sick Animals. circa 1940. [500x333]

https://i.redd.it/szamfy8xugk21.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/axwxb9/a_dog_in_the_gasproof_chamber_invented_by_ch/?utm_source=ifttt