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7 oct 1956 año - First radio in football helmet

Descripción:

To avoid more substitutions John Campbell and George Sarles added a radio transmitter in the helmet

Añadido al timeline:

Timeline of the american football helmet

ByRickey Arionus

5 dic 2018

1

0

1801

fecha:

7 oct 1956 año

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~ 69 years ago

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