Harry F. Brown (1886-1980) was an electrical engineer and his entire career was devoted to railroad electrification. The collections consists of materials collected by Brown relating to American railroads outside of New England and primarily includes engineering reports and memoranda relating to railroad electrification and electric locomotives and cars.

The Pennsylvania Railroad Company was the largest railroad in the United States in terms of corporate assets and traffic from the last quarter of the nineteenth century until the decline of the northeast's and midwest's dominance of manufacturing. This collection consists of one report from 1959 by General Electric Company, Locomotive & Car Equipment Department consisting of an electric motive power study.

The Pennsylvania Railroad Company was the largest railroad in the United States in terms of corporate assets and traffic from the last quarter of the nineteenth century until the decline of the northeast's and midwest's dominance of manufacturing. This collection consists of two items. One is a copy of a report from 1959 by General Electric Company, Locomotive & Car Equipment Department containing an electric motive power study. The second item is a menu with a cover design by industrial designer Raymond Loewy (1893-1986).

The Joseph D. Lovell Locomotive Rosters constitute a partial roster of Pennsylvania Railroad steam, electric and early diesel locomotives to 1946. The collection also contains seven small ledgers listing the production of not only the Juniata Shops, but also the earlier Altoona Machine Shops (1866-1904) and locomotives purchased from outside builders, principally the Baldwin Locomotive Works. His lists include rosters for both the Pennsylvania Railroad proper and its predecessor lines.

There is also a folder containing copies of letters and notes by Robert B. Watson documenting the provenance of the records.

The Westinghouse Machine Company began in 1880, and the company's first contract to build a turbine dates to 1896. The album contains a variety of images of products and facilities related to the Westinghouse Electric and Manufacturing Company. These include photographs of equipment such as boilers, generators, mechanical stokers, pumping machinery and turbines.

William Liseter Austin (1852-1932) was an executive of the Baldwin Locomotive Works in Philadelphia. Baldwin Locomotive Works was a manufacturer of railroad locomotives from 1825 until 1972. The papers include correspondence, most of which is technical in nature; there is also a vertical file on the construction, sale, and parts of locomotives; specifications; sketches and sketchbooks; and engineering drawings. A very small portion of the collection covers Austin's personal affairs.