‎PIERALISI, SANTE. - GALILEO GALILEI.‎
‎Breve Discorso sella Instituzione di un Principe e Compendio della Scienza civile di Francesco Piccolomini. Com Otto Lettere e Nove Disegne delle Macchie Solari di Galileo Galilei, pubblicata la prima volta [first printing of eight letters by Galilei ... - [8 LETTERS BY GALILEI PUBLISHED FOR THE FIRST TIME]‎

‎Roma, TipografiaSalviucci, 1858. Lex 8vo. Original printed boards. Upper part of spine replaced, with title written in hand, Wear along upper part of front hinge, otherwise fine, with just a bit of soiling and some fading to the delicate pink colour. Some occasional brownspotting. (12), VI, 216 pp. + 9 plates (depicting sunspots).‎

Reference : 43334

‎The very rare first edition of this beautifully printed work, which is a treatise on the work of Piccolomini to which is added 8 hitherto unpublished letters from Galilei, from the years1619-24, here published for the first time. Furthermore we here have 9 plates made after drawings by Galilei to document his observations of sunspots between the 3rd and 11th of May 1612.‎