GRC-F-016967-0000 CIVIL WAR: CANNONS. Battery gun, 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 2564 Image sizes (cm at 300 dpi): 27 X 21 Image sizes (MB): 1.85 Color space: RGB