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

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

Funtabulously Frivolous Friday Five 320 - Just when you thought your brain could unwind the medical trivia FFFF