Lithograph, col: Scene Royal Institution, by 'London XYZ'. dedicated ['but not with permission'] to the British Association for the Advancement of Science. lower left, Dutch imprint v.d.Weyer a Utrecht [1831-1832?]. Deposee. 35x25cm. Caricature depiction suggested as of, left, [Gerrit Moll 1785-1838, Professor of Mathematics and Physics at Utrecht] meeting John Dalton, who thanks him for an anonymous pamphlet in defence of English science published 1831, soon after which Dalton was awarded a pension, announced at the annual meeting of the BAAS; artist suggests these events related