La registrazione dei terremoti…
Rome, Casa Editrice “L’Elettricista”, 1906 235x152 mm. 136 pp. Two folding lithographic plates, the first showing the ‘macrosismografo’ invented by Agamennone; numerous technical illustrations in text. Original printed wrappers. Spine frayed, hinge a bit weak. Slightly spotting to the front cover. A very good copy, slightly waterstained the upper blank margin and the gutter. The history and the accurate description of the main devices to measure earthquakes, from the first instruments invented in China until the most modern seismographs, by the then-director of the Royal Geodynamic Observatory at Rocca di Papa.