Kazimierz Zeglen (left), Polish priest and inventor of the bulletproof vest, testing out his invention (1869)
Submitted by krFrillaKrilla t3_11co5xc in OldSchoolCool
Submitted by krFrillaKrilla t3_11co5xc in OldSchoolCool
Submitted by krFrillaKrilla t3_107165l in askscience