AFQ-F-000608-0000 Fourth-graders perform the fascist salute during a visit to the Arcetri Observatory Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Unidentified Author Date of photography: 1930 ca. Place of photography: Florence, Arcetri Collection: Alinari Archives-Abetti archive, Florence Object type: print on paper Photographic technique: P gelatin silver print Dimensioni: 16 x 12,2 cm Technical info Image sizes (pixel): 3772 X 2847 Image sizes (cm at 300 dpi): 31 X 24 Image sizes (MB): 5.97 Color space: RGB