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Start Over You searched for: Date 1991 Remove constraint Date: <span class="single" data-blrl-single="1991">1991</span>-
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Arnold Beckman's 91st birthday
- 1991
The photographs document birthday celebrations. The images are numbered, but the subjects are unidentified.
Dr. Arnold O. Beckman (1900-2004) invented the first commercially successful electric pH meter in 1934 and…
- Photographer Metcalf, Edi
- Subject Beckman, Arnold O., Birthday parties, Portraits, Group