American Electric Vaporizer No. 11, c. 1930

Vaporizers increase the humidity in a room or building by adding water vapor to the air. These steam vaporizers boil water and release the hot steam into the air.

Donated by Darcy O’Brien-Genrich, MPA, RRT, Manager of Respiratory Care Services at Nebraska Medicine, from the McGoogan Health Sciences Library Robert S. Wigton Department of Special Collections and Archives