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Railroads

 Subject
Subject Source: Library of Congress Subject Headings

Found in 1 Collection or Record:

Pennsylvania Railroad (PRR) maps accompanying general orders

 Collection
Accession: 2493
Abstract:

The Pennsylvania Railroad Company was the largest railroad in the United States in terms of corporate assets and tratffic from the last quarter of the nineteenth century until the decline of the northeast's and midwest's dominance of manufacturing. This small collection consists of six schematic diagrams of racks and signals placed in service or removed from service, mostly in connection with the step-by-step construction of the Philadelphia Improvements of 1927 to 1952.

Dates: 1937-1942; undated