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Subjects
- Beryllium -- Research1
- Electric lighting -- Research1
- Laboratory notes1
- Nickel -- Research1
- Nuclear physics -- Research1
- Photoconductivity -- Research1
- Photoelectricity -- Research1
- Photoemission -- Research1
- Physics -- Research[remove]1
- Sulfur -- Research1
- Vacuum-tubes -- Research1
- Women college teachers1
- Women physicists1