Article PDF
Rights and permissions
About this article
Cite this article
Diary of Societies. Nature 104, 556 (1920). https://doi.org/10.1038/104556a0
Issue Date:
DOI: https://doi.org/10.1038/104556a0
Nature volume 104, page 556 (1920)
Diary of Societies. Nature 104, 556 (1920). https://doi.org/10.1038/104556a0
Issue Date:
DOI: https://doi.org/10.1038/104556a0