Johnny Horizon Environmental Test Kit

Science History Institute

Science History Institute
Philadelphia, United States

Cardboard box with color printing on lid, showing young men and women engaged in chemical testing of environmental factors (air, water). Inside is a blue plastic tray with wells for test equipment, including a magnifying glass, eyedropper, test tubes, tape, measuring cup, filters, and paper packets of additives. Two instructional booklets are included.


  • Title: Johnny Horizon Environmental Test Kit
  • Provenance: Science History Institute
  • Type: Chemistry set
  • Rights: Public Domain Mark 1.0
  • External Link: View our digital collections
  • Medium: Cardboard, plastic

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