Ciselle Meier and Mike Cadogan Elmer McKesson
Elmer Isaac “Ira” McKessen (1881-1935) was an inventor, physician and engineer. McKesson Intermittent ventilator, metabolor, and the nargraf
Ciselle Meier and Mike Cadogan Elmer McKesson
Elmer Isaac “Ira” McKessen (1881-1935) was an inventor, physician and engineer. McKesson Intermittent ventilator, metabolor, and the nargraf