PPA-F-000765-0000 Workers involved in the production of helmets for the French army. Credit: Alinari Archives, Florence WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Unidentified Author Date of photography: 1914-1918 ca. Place of photography: France Collection: Alinari Archives-Petit Parisien archive, Florence Object type: print on paper Photographic technique: P gelatin silver print P retouching Dimensioni: 12 X 16,5 cm Technical info Image sizes (pixel): 1791 X 2488 Image sizes (cm at 300 dpi): 15 X 21 Image sizes (MB): 3.33 Color space: RGB