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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 gen 1950 anni - Pacemaker

Descrizione:

Heart pacemaker was invented in a National Research Council laboratory in Ottawa by Winnipeg native John Hops to keep weak of heart alive and kicking.

Aggiunto al nastro di tempo:

Relevant History

ByCindy Kilpatrick
7 feb 2020
1
0
1809

Data:

1 gen 1950 anni
Adesso
~ 75 years ago
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