April 17, 2020 | 2:36 PM
Philadelphia engineer creates backup ventilators for coronavirus pandemic
The Drexel University team drew on concepts from the 1960s ventilators that were used by the Army or rescue teams.
The Drexel University team drew on concepts from the 1960s ventilators that were used by the Army or rescue teams.
This was one of the city’s most devastating moments. Within just three months, 5,000 of those who stayed behind died of the infection.