Showing Collections: 1 - 3 of 3
Pennsylvania Railroad Hudson River tunnel construction photographs
The Pennsylvania Railroad Company was the largest railroad in the United States in terms of corporate assets and traffic in the last quarter of the nineteenth century. This small collection of photographs covers the planning, surveying, and building of the Pennsylvania Railroad tunnels under the Hudson River, connecting New Jersey and New York in the early twentieth century.
William Hasell Wilson notebook (copy)
William Hasell Wilson (1811-1902) was a consulting engineer to the Pennsylvania Railroad Company. Wilson's notebook covers his early engineering career on the Philadelphia & Columbia and Philadelphia & Reading railroads. The notebook contains ink and wash drawings by Wilson, along with specifications and cost estimates for the construction of various types of track structure, bridges, turntables, stations and other buildings.
William Hasell Wilson notebook (microfilm)
William Hasell Wilson (1811-1902) was a consulting engineer to the Pennsylvania Railroad Company. Wilson's notebook covers his early engineering career on the Philadelphia & Columbia and Philadelphia & Reading railroads. The notebook contains ink and wash drawings by Wilson, along with specifications and cost estimates for the construction of various types of track structure, bridges, turntables, stations and other buildings.
