Arthur Wood Tocher (1919-2005) was a transportation history enthusiast, specializing in large vehicles with an emphasis on trucks. This collection consists of truck and car related images. The bulk of the collection contains photographs that Tocher took at truck shows in the late 1990s and early 2000s. The collection also includes images of construction vehicles, postcards of classic cars, a calendar with images of classic trucks, and a large truck photograph mounted on wood.

Baldwin Locomotive Works was a manufacturer of railroad locomotives from 1825 until 1972. The company was originally located in Philadelphia and then later moved to Eddystone, Pennsylvania. This album contains twenty two photographs of Baldwin Locomotive Works train engines, train cars, and parts. The album appears to have been created by company President S.M. Vauclain for the Trades Exhibit at the Constitutional Centennial Celebration.

The Chicago Railroad Fair was the last exposition that featured railroads as its theme. It marked the centennial of the arrival of railroads to Chicago and their role in westward expansion. The exposition was held in 1948 and 1949 in Chicago. This collection consists of souvenir postcards and miniature photographic views of the buildings and locomotives at the Fair.

Cities Service Oil Company was an oil and natural gas company formed in 1959 after a Federal Court mandated that Cities Services Company divest its holdings as a result of the Public Utility Holding Company Act of 1935. A souvenir album from the first annual Dealerama, a trade show held by Cities Service Oil Company to encourage service stations to increase their advertising. The trade show was a two day event in January of 1959 that took place at the Hotel Statler-Hilton in New York. The materials in the album are primarily photographs of exhibitions or booths that demonstrate a varity of products. There are a small set of materials that were laid into the album.

The Chicago Railroad Fair was the first exposition after the Second World War and the last exposition that featured railroads as its theme. It marked the centennial of the arrival of railroads to Chicago and their role in westward expansion. This is a postcard of the narrow gauge Deadwood Central train that carried visitors around the fairground.

Frederic G. Cooper (1883-1962) was an honorary member of the Society of Illustrators. He worked for New York Edison from 1905 to 1926. These are miniature souvenir posters for the Electrical Exposition and Motor Shows sponsored by the New York Edison Company.

International Business Machines Corporation (IBM) is a multinational technology company and industrial research organization headquartered in Armonk, New York. It became a giant in the field of electronic data processing by the mid 1950s after having achieved great success in the punch-card tabulating machine business during the 1930s. This item is an album consisting of photographs of trade show displays of computers and trade show attendees, correspondence, press releases, and newspaper articles. The materials all date from the year 1979.

The 1934 National Electrical and Radio Exposition was held in New York City at Madison Square Garden from September 19th to the 29th. The Electrical Association of New York organized the exposition. It was one of the annual radio and electronic products trade shows held in the city in the 1920s through the 1940s. This item is an album forty-five photographs taken during the exposition. The photographs are primarily of various companies individual displays. Companies represented are RCA, Westinghouse Electric, Singer Sewing Machine, General Electric, Hoover, Leonard, among others.

There are many photographs related to the products made at Steelton, Pennsylvania, where the frog and switch division and a rail mill plant were located. There are also plant views. An inspection report of track material furnished by the Pennsylvania Steel Company for Lake Shore & Michigan Southern Railway is included in this part of the collection. Also of interest are views of the Pennsylvania Steel Co. exhibits at trade conventions in Chicago and Atlantic City, New Jersey Some other miscellaneous views are also found with the Steelton material: the Queensborough Bridge in Manhattan; Broad Street Station, Philadelphia; train station in Pittsburgh; Union Station, Washington.

Cambria Iron Works which was established in 1852 officially became the Cambria Steel Company in 1898. That company was acquired by Midvale Steel and Ordnance Company in 1916. Midvale was absorbed by Bethlehem Steel Corporation in 1923.

Approximately 968 glass plates and forty-six lantern slides. There are glass plate negatives with patterns for frogs, rails, and switches. There are no corresponding prints. Some plates contain unidentified images and images of unidentified products. Lantern slides of unidentified products.