Overview of the use standards for the biohazard warning symbol, prepared by Charles L. Baldwin, an environmental-health engineer who worked on developing the symbol.
Baldwin, Charles L. “Biological Hazard Warning Symbol,” 1966. Dow Chemical Historical Collection, Box Safety 00360, Folder 00342F11. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/yashxvf.
Export citation (RIS)
?
This citation is automatically generated and may contain errors.