Eptiome of the electro-meteorological and magnetic observations, experiments, etc. made at the Kew Observatory / [Sir Francis Ronalds].
- Ronalds, Francis, Sir, 1788-1873
- Date:
- 1848
Licence: Public Domain Mark
Credit: Eptiome of the electro-meteorological and magnetic observations, experiments, etc. made at the Kew Observatory / [Sir Francis Ronalds]. Source: Wellcome Collection.
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