History: Testing a bulletproof vest. Sept. 13, 1923. [1600x1304] (colorized by me)

https://i.redd.it/ka8zfm8wxooz.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/73374q/testing_a_bulletproof_vest_sept_13_1923_1600x1304/?utm_source=ifttt