PGC-F-000609-0000 Tricycle, Cripper model from 1885 with differential lateral gearing, kept in the Genazzini Collection in Milan and shown at the Exhibition "Man on two wheels" Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Pellicci, Graziella Date of photography: 1980-1990 ca. Collection: Alinari Archives, Florence Object type: slide on film Photographic technique: P color process Dimensioni: 6 x 6 cm Technical info Image sizes (pixel): 3543 X 2429 Image sizes (cm at 300 dpi): 29 X 20 Image sizes (MB): 6.81 Color space: RGB