GRC-F-017538-0000 Civil War: Members of the U.S. Signal Corps Credit: Granger, NYC/Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Brady, Mathew Benjamin Date of photography: 1863 ca. Place of photography: United States Event: American Civil War, 1861-1865 Collection: Granger, NYC/Alinari Archives Object type: digital image Technical info Image sizes (pixel): 3240 X 2588 Image sizes (cm at 300 dpi): 27 X 21 Image sizes (MB): 1.67 Color space: RGB