NVQ-S-001823-0001 Swimmers on the beach of Viareggio, stereoscopic photography 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: Versilia / Viareggio Collection: Alinari Archives, Florence Object type: stereograph Photographic technique: P gelatin silver print Dimensioni: 6 X 13 cm Technical info Image sizes (pixel): 5450 X 2500 Image sizes (cm at 300 dpi): 46 X 21 Image sizes (MB): 12.12 Color space: RGB