![Sir Thomas Watson. Stipple engraving by F. Holl, 1854, after G. Richmond, [1850].](https://images.rawpixel.com/image_200/cHJpdmF0ZS9sci9pbWFnZXMvd2Vic2l0ZS8yMDI0LTAyL2xyL3djdHI1YnNnY3UtaW1hZ2UuanBn.jpg)
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Sir Thomas Watson. Stipple engraving by F. Holl, 1854, after G. Richmond, [1850].
Sir Thomas Watson. Stipple engraving by F. Holl, 1854, after G. Richmond, [1850].
Original public domain image from Wellcome Collection
Public DomainFree CC0 image for Personal and Business use