ACA-F-056380-0000 The picture shows a knife for circumcision and a speculum dating back to the seventeenth century belonging to the Carbonelli Collection in Rome. The picture was taken during the Exhibition of Science History in 1929, in Florence. Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Alinari, Fratelli Date of photography: 1929 Place of photography: Florence, Exhibition of Science History Collection: Alinari Archives-Alinari Archive, Florence Object type: glass plate Photographic technique: N silver gelatin dry negative Dimensioni: 20 X 26 cm. Technical info Image sizes (pixel): 2524 X 1940 Image sizes (cm at 300 dpi): 21 X 16 Image sizes (MB): 4.19 Color space: RGB