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Keywords from Image Description:
LANSRW. LANSRW Humphry Davy Michael Faraday Louis Agassiz John Tyndall Thomas Henry Huxley Herbert Spencer Image Sir Humphrey Davy gravure Image Michael Faraday gravure Image Louis Agassiz gravure Image John Tyndall gravure apparently Thomas Henry Huxley's image hasn't been extracted into separate file Image Herbert Spencer gravure