Illustration from the August 1918 issue of North Carolina's Health Bulletin (p.48). Issue is freely available online here: digital.ncdcr.gov/u?/p249901coll22,285772
Illustration from the August 1918 issue of North Carolina's Health Bulletin (p.48). Issue is freely available online here: digital.ncdcr.gov/u?/p249901coll22,285772