Beltrami (Eugenio) Intorno ad Alcuni Problemi di Propagazione del Calore, 38 pages, uncut, vertical creases, soiling, and small losses to wrappers, foxing to textblock edges, 4to, Bologna, Gamberini e Parmeggiani, 1887. ***Eugenio Beltrami (1835-1900) was a mathematician notable for his work concerning differential geometry and mathematical physics.