A lengthy Autograph Letter Signed, to Professor Boutigny, with scientific content, the heating of liquids, etc., possible sponsorship and related matters. In French. 3 pp. 11 x 8 inches, with the address leaf, neatly tipped on to part of an old album leaf. Milan, 20 June 1844.

Antonio Kramer (1806-1853),  Italian chemist and member of the Lombard Institute of Sciences and Letters. He collaborated in the improvement of silk coloring techniques in Enrico Mylius' spinning mills and was curator of the Museum of Natural History in Milan between 1844 and 1853. The recipient of the letter is Pierre Hippolyte Boutigny, professor of chemistry, author of Etudes sur les corps à la l’état sphéroidal, etc.