APA-F-012341-0000 Patients of the San Salvi psychiatric hospital performing spinning and weaving work, Florence Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Alinari, Fratelli Date of photography: 09/1929 Place of photography: Florence Collection: Alinari Archives-Alinari Archive, Florence Object type: glass plate Photographic technique: N silver gelatin dry negative Dimensioni: 21 x 27 cm Technical info Image sizes (pixel): 6020 X 4724 Image sizes (cm at 300 dpi): 50 X 39 Image sizes (MB): 12.96 Color space: sRGB