- 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,…
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…
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.)
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…
Cachet and stamp depict Claude-Louis Berthollet. Cachet includes text describing Berthollet's contributions to water purification.