Plastic tube with purple flip cap. Hollow fibers inside tube filters contaminants from water. Purple string attached to one end of tube.
LifeStraw is a personal and mobile water purification tool developed as a…
- Keystone funnel
A: Blue plastic funnel with B: cap used to hold filter paper. Funnel is designed to fit on two 2-liter soda bottles (with cap on) or on the top of a jerrycan (without cap).
In 2016 Dr. Theresa Dankovish's company,…
This advertisement highlights uses for Models R, H, and M pH meters in the water and wastewater treatment industry.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California…
The press release announces the specifications for Type CEL-D and Type CEL-JD Conductivity Cells.
The press release discusses a carbon dioxide sensor and water purity sensor planned to fly on the Space Shuttle Orbiter in the early 1980s.
- Author Eastman, Elke
- Subject Water--Purification, United States. National Aeronautics and Space Administration, Scientific apparatus and instruments, Space shuttles--Design and construction, Atmospheric carbon dioxide, Space shuttles--Safety measures, Beckman Instruments, inc., Space Shuttle Program (U.S.)
Cachet and stamp depict Claude-Louis Berthollet. Cachet includes text describing Berthollet's contributions to water purification.