Nuovo sismografo inventato e descritto…
Rome, Tipografia della Pace, 1879 220x153 mm. 7 pp. Two illustrations in text depicting Galli’s seismograph. Original printed wrappers, sides of upper cover rather browned. A very good copy, title toned, impression a bit faded. Inscribed by the author on upper cover. Stamped shelfmark ‘Sc. Esatte in 8° nr 591’. The description of the new seismograph invented by Galli, founder of the Physical and Meteorological Observatory at Velletri. Offprint from: Gli Studi in Italia, ii (1879).