## Determination of the Surface-Tension of Water by the Method of Jet Vibration

FIRST EDITION OFFPRINT, PRESENTATION COPY, of Bohr's first published scientific paper, written while he was a 20-year-old student at Copenhagen University. Inscribed by Bohr in Danish on front wrapper to Poul Heegaard, mathematician and professor at Copenhagen University. In original wrappers. More about Determination of the Surface-Tension of Water by the Method of Jet Vibration

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