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- Zinc Plates for Electrolytic Meter, 1880 -
- 1880
- Collections - Artifact
Zinc Plates for Electrolytic Meter, 1880
- Electrode -
- Collections - Artifact
Electrode
- "Multifrex High-Frequency Instrument" Electrotherapy Machine, circa 1925 -
- circa 1925
- Collections - Artifact
"Multifrex High-Frequency Instrument" Electrotherapy Machine, circa 1925