Papers 1837-1960 (bulk 1837-1850).
Related Entities
There are 2 Entities related to this resource.
Roebling, John Augustus, 1806-1869
http://n2t.net/ark:/99166/w64q7wg0 (person)
John A. Roebling emigrated to New Jersey from Germany in 1831, abandoned farming, and returned to his profession of engineering. He moved to Trenton, N.J., in about 1848 and built a steel wire plant, operated as John A. Roebling's Sons Company. John A. Roebling designed many bridges and was the chief engineer of the Brooklyn Bridge. From the description of John A. Roebling letter to Elias Calkin & Co., 1850 May 25. (Pennsylvania State University Libraries). WorldCat record id: 73...
Allegheny Portage Railroad
http://n2t.net/ark:/99166/w6r82vdw (corporateBody)
The Allegheny Portage Railroad covered a 36 mile stretch up and down the sides of Allegheny Mountain between Johnstown (Cambria Co.) and Hollidaysburg (Blair Co.). Built between 1831 and 1833, the Railroad used a system of inclined planes to link the two lines of the Pennsylvania Canal. The canal boats were pulled by ropes, and later by wire cables (designed by railroad engineer John Roebling). From the description of Papers 1837-1960 (bulk 1837-1850). (Historical Society of W Pennsy...