Original 1920s-1930s ALCO (American Locomotive Company) blueprints for the New York Central Railroad (NYC). These authentic cyanotype technical drawings detail specific mechanical components for steam locomotives, including rod assemblies and cross-sections. The lot includes 6 fold-out sheets with clear, legible white-on-blue schematics. These are true industrial artifacts, not modern reproductions. The century-old blueprints show age-appropriate toning and edge wear but are in overall great condition. See all photos for exact condition details and measurements.
