Bollettino meteorologico ed astronomico del Regio Osservatorio dell'Università di Torino, 1870 (vol. 5)
A Turin University observatory bulletin of 1870 from the Regio Osservatorio, issued by the Osservatorio astronomico di Torino for scientists and meteorologists tracking weather data. Its pictures are plain printed charts of daily barometric, thermometric, vapour tension and relative humidity lines drawn as wavy traces across numbered day columns, offering a designer dense, rhythmic linear patterns and grid structures.
