GRC-F-016960-0000 UNION ARTILLERY, 1860s. Photographed by Mathew Brady. Credit: Granger, NYC/Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Photographer: Brady, Mathew Benjamin Collection: Granger, NYC/Alinari Archives Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 3240 X 2340 Image sizes (cm at 300 dpi): 27 X 19 Image sizes (MB): 2.82 Color space: RGB