Applicazione delle aste vibranti od oscillanti alle osservazioni dei moti sismici. Memoria…
Rome, Tipografia della Pace, 1887 287x197 mm. 26 pp., numbered -198. Contemporary wrappers, slightly faded to sides. A very good copy, unopened. First page rather toned. On the top of the first page a note by a contemporary hand, ‘Estratto Memorie Accad. Pontif. Nuovi Lincei vol. iii’. An important contribute to the seismology as an instrumental science. “In 1888 Giovanni Egidi […] installed the first of these instruments in a Jesuite observatory, the Osservatorio Tusculano in Frascati, which became one of the earliest Italian stations. Egidi himself constructed this instrument, a ’seismiscope’, still lacking a graphic recorder” (A. Udías, Jesuit Contribution to Science, pp. 177-178). Offprint from: Atti dell’Accademia Pontificia dei Nuovi Lincei, iii (1887). A. Udías, Jesuit Contribution to Science. A History, Dordrecht 2014, pp. 177-178.