Bollettino meteorologico ed astronomico del Regio Osservatorio dell'Università di Torino, 1874 (vol. 9)
An annual meteorological and astronomical bulletin issued in 1874 by the Royal Observatory of the University of Turin for astronomers and weather observers. Pages are dense ruled tables of daily barometer, temperature, vapour and humidity readings, with abbreviation codes and engraved line graphs tracking each month's curves—useful for grid structures, table rules and hand-drawn plotting.
