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Encyclopedia Dubuque

www.encyclopediadubuque.org

"Encyclopedia Dubuque is the online authority for all things Dubuque, written by the people who know the city best.”
Marshall Cohen—researcher and producer, CNN

Affiliated with the Local History Network of the State Historical Society of Iowa, and the Iowa Museum Association.




PORTABLE RESPIRATOR (FIRST): Revision history

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    14 May 2015

    • curprev 02:4702:47, 14 May 2015‎ Randylyon talk contribs‎ 754 bytes +754‎ Created page with "PORTABLE RESPIRATOR (FIRST). The first portable respirator, believed at the time to be the first of its kind in use in northeast Iowa, was introduced to physicians in 1959 whe..."
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