The collection forms a documentary record of over half a century of the history of radio, with the greatest emphasis on the period 1900-1935. The collection includes materials that span the entire history of the growth of the radio industry. It is useful for those historians and other researchers interested in technological development, economic history, and the impact of applications of technology on American life.

Photographic negatives and some glass plate negatives depicting subjects relating to the Division of Electricity and Modern Physics' artifact collections and research interests. Negatives include portrait photographs of engineers (Marconi, Tesla, Bell, and Zworykin), images of radios, telegraphy equipment, and phonographs.

The collection documents the early development of radio apparatus.

This collection consists of three copies of a photograph of Anthony "Tony" Stadlman and Percy G. B. "Bud" Morriss seated in the cockpit of Morriss's Benoist flying boat in Grand Rapids, Michigan. The photograph, probably produced as a souvenir item at some time in the 1920s, is mounted in a small black-painted wood frame with a thick, flocked, oval mat, and carries this printed text on the reverse: "This is an authentic photograph taken in Grand Rapids, 1915, of P. G. B. (Bud) Morriss at the Controls of his Benoist Flying Boat, accompanied by his Chief mechanician, Tony Stadlman, who later became Superintendant of the Lockheed Airplane Company in Burbank."

Press clippings, 1895-1897, from British publications (some unidentified) and one French journal describing the invention and the organization of the Automatic Telephone Company, Ltd. A note on the life of Max Margowski, one of the company's organizers is included, with statements of the company accounts (one a 1901 balance sheet). A record of liti...

The collection documents in photographs, scrapbooks, notebooks, correspondence, stock ledgers, annual reports, and financial records, the evolution of the telegraph, the development of the Western Union Telegraph Company, and the beginning of the communications revolution. The collection materials describe both the history of the company and of the telegraph industry in general, particularly its importance to the development of the technology in the nineteenth and twentieth centuries. The collection is useful for researchers interested in the development of technology, economic history, and the impact of technology on American social and cultural life.

Collection consists of lantern slides and stereographs produced by several companies: Keystone View Company, Better America Lecture Service, Incorporated, American Press Association, J. Stanley-Brown, William H. Rau, and J. F. Maertz Department Store. The lantern slides were primarily intended to be used for educational presentations about the United States, other countries, history, and society. Many of the slides and stereographs are accompanied by descriptive text and in some instances by small cards--one card for each slide--and in other instances directly on the back of a stereoview. The majority of images were taken from 1900 to 1930.

While the collection is focused rather specifically on the development of television in America, including technical details, legal proceedings, marketing and advertisement, and manufacturing, it is also a rich source for the history of American advertising, work cultures, sales, and entertainment. There is also information about radio, mostly in p...

A New York bookseller, Warshaw assembled this collection over nearly fifty years. The Warshaw Collection of Business Americana: Calendars forms part of the Warshaw Collection of Business Americana, Subseries 1.1: Subject Categories. The Subject Categories subseries is divided into 470 subject categories based on those created by Mr. Warshaw. These subject categories include topical subjects, types or forms of material, people, organizations, historical events, and other categories. An overview to the entire Warshaw collection is available here: Warshaw Collection of Business Americana

Collection documents the 30 year history of Integrated Circuit Engineering Corporation which provided consulting expertise in the field of integrated circuits and semiconductors.