Historic Infrastructure and Equipment

Historical photographs depicting old infrastructure facilities and engineering apparatus, showcasing machinery, tunnels, and water works from the 19th to early 20th century.

Interior view of the print drying room at the Signal Corps School of Photography, located in Columbia University, New York. The image is numbered 46544 S.C. Columbia University and was taken as part of the photographer's description. This photograph provides a detailed view of the drying process for photographic prints within the school.
Interior view of the print drying room at the Signal Corps School of Photography, located in Columbia University, New York. The image is numbered 46544 S.C. Columbia University and was taken as part of the photographer's description. This photograph provides a detailed view of the drying process for photographic prints within the school.