A man sits at a desk sharpening a quill pen with a knife. Coloured lithograph by P.H.L. Vander Meulen after Philip van Dyk.

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A man sits at a desk sharpening a quill pen with a knife. Coloured lithograph by P.H.L. Vander Meulen after Philip van Dyk. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.