Beckman Historical Collection

Search within the Beckman Historical Collection
You Searched For
Start Over You searched for: Genre Documents Remove constraint Genre: Documents Rights In Copyright Remove constraint Rights: In Copyright Subject Hydrogen-ion concentration--Measurement--Instruments Remove constraint Subject: Hydrogen-ion concentration--Measurement--Instruments Date Unknown Remove constraint Date: Unknown
1 - 2 of 2
-
pH
- Undated
This mailer, sent to Beckman shareholders, was a reprint from a company publication and explained the significance of the pH meter.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from…
-
Instructions for the Beckman Oxygen Electrode Evaluation Kit, X-300-100 (final)
- Undated
This glass electrode was first used in Beckman pH meters and later other instruments.
Arnold Beckman invented his first pH meter in 1934 at the request of a chemist from the California citrus industry, who needed an…