Biodiversity Heritage Library · page-21452349
Hermann Ludwig Ferdinand von Helmholtz — Illustration, BHL page 21452349
About this illustration
BHL classifies this scanned page as Illustration. Publication: Hermann Ludwig Ferdinand von Helmholtz. Publication creators (not identified as the page's illustrator): McKendrick, John Gray, 1841-1926. Contributing institutions: University of California Libraries. Bibliographic metadata supplied by BHL under CC0; image rights are separate.
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1899. Hermann Ludwig Ferdinand von Helmholtz — Illustration, BHL page 21452349. https://www.biodiversitylibrary.org/page/21452349
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