History: Gas masks for babies are tested during a gas drill at a London hospital, 1940.[1503 × 2048]

https://i.redd.it/orgzlcc8bsdx.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/4wgf7p/gas_masks_for_babies_are_tested_during_a_gas/?utm_source=ifttt