Rivista di astronomia e scienze affini, 1912, a. 6, n. 07 (July)
An Italian astronomy periodical, the Rivista di astronomia e scienze affini, issued July 1912 by the Società astronomica italiana with the Turin Observatory for astronomers and educated amateurs. The figures are line diagrams printed within the text: circles and ellipses marked with lettered points, dashed axes, angle arcs, arrows of motion, small sun symbols, and seasonal labels around an orbit.
