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19 fev 1929 ano - Phillip Gravelle

Descrição:

in the 1920s forensic ballistics was waiting at its inception. In 1929, using a comparison microscope adapted for the purpose by Calvin Goddard and his partner Phillip Gravelle used similar techniques to absolve the Chicago Police Department of participation in the St. Valentine's Day Massacre.

Adicionado na linha do tempo:

Data:

19 fev 1929 ano
Agora
~ 96 years ago