- Advertisement for Dow Ferric Chloride
Color print advertisement for Dow Ferric Chloride, a conditioning agent used to extract organic matter from water. The advertisement features illustrated depictions of various historic civilizations and details the use…
- Circa 1900
Portrait of Charles Frederick Chandler (1836-1925), an industrial chemist whose research concerning sugar refining, gas manufacturing, and chemical education greatly impacted public sanitation and health.