Mezzotint: portrait, Thomas Norris Esqre FRAS, painted and engraved by John Linnell, 1837; Signed in the plate, b.l. : J LINNELL F 1837. - Signed in ink on support below image, b.l. : Thos. Norris Portrait, TQL seated to R, looking front; beside table with open book; holding a lens for a telescope in his left hand; a closed book, and a telescope, propped upon a chair, b.l.; background wall above mantelpiece, two of Linnell's own landscape paintings featured