[ Henry Carvill Lewis, geologist and mineralogist. ] Autograph Letter Signed ('H. Carvill Lewis') to 'Prof. A. Ramsay' [ Alexander Ramsay, editor of the 'Scientific Roll' ]

2pp., 8vo. Bifolium. In good condition, lightly aged. He is sending 'the first two volumes of the Proceedings of the Mineralogical Section of the Acad - as also some papers of my own'. He has heard of Ramsay's 'Scientific Roll', and desires to 'heartily endorse it', in the 'hope that it may be continued – It will be of very great service to scientific men'. He will be glad to receive it, and in return to send 'from time to time both the Proceedings of the Section and other original material'.