British physicist and chemist (1791–1867) best known for his development of the first dynamo and the discovery of electromagnetic induction. Ink signature, “Ever (for both of us) yours affectionately, M. Faraday,” on an off-white 3 x 1.25 slip clipped from the close of a letter. Affixed at the bottom of a period 5.75 x 9 portrait of the scientist. In very good condition, with scattered creases and soiling to the slip, and a clean horizontal cut passing through much of the lower portion of the photograph. Pre-certified PSA/DNA and RR Auction COA.
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