| Description | With reference to their previous correspondence on illustrations to the paper Guillet is about to publish, Harrison conveys the sanction of the Council of the Royal Society to Guillet to reproduce certain figures from the paper by Messrs Heycock & Neville, in the 'Philosophical Transactions [of the Royal Society]'. The figures are not of the sought where electros could be provided but Guillet is at liberty to reproduce them by any other method. The originals are collotype plates. |