2022-07-152022-07-1519uuhttps://doi.org/10.31096/-SSP005https://hdl.handle.net/10177/17341Translation: Open windows and ventalation windows: fresh air strenghtens your health ; Print Run: 15,000positives (photographs)8 1/4 x 13 3/4Educational use is permitted without permission. Permission is required for additional uses. See http://library.willamette.edu/external/commons/conditions_of_use/ for more information.http://rightsstatements.org/vocab/InC-EDU/1.0/Image