Rivista di astronomia e scienze affini, 1911, a. 5, n. 04 (April)
This Italian astronomy journal, the April 1911 issue of the Rivista di astronomia e scienze affini, was issued by the Società astronomica italiana with plates from the Turin Astronomical Observatory for a scientific readership. Its pictures are engraved and photographic plates: an artificial star apparatus and a surveying theodolite, a lunar eclipse photograph pair, and the society's oval seal with a celestial sphere, offering designers clean line-engraved instruments and an oval emblem.
