| Henry Fox Talbot [Attributed to] Photomicrograph of a section of a plant stem as viewed in a solar microscope n.d. Paper Negative, camera, waxed 10.9 x 10.6 cm National Science and Media Museum 1937-4146, Schaaf no. 1487 LL/82192 Possibly a cross section of a horsetail (Equisetum), or elm (Ulmus).
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