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Henry Butler Allen papers, 1933-1959 (bulk) 1924-1959 (inclusive)

Extent:

2.1 linear feet

Abstract:

Henry Butler Allen (1887-1962) was a metallurgical and mechanical engineer and served as Director of the Franklin Institute in Philadelphia, Pennsylvania from 1935 until 1947. During World War II, Allen served on the National Defense Research Committee (NDRC) in the Armor and Ordnance Division. The Henry Butler Allen papers, 1924-1959 (bulk 1933-1959), consist of materials produced as part of or relating to Allen's duties at Director and Secretary of the Franklin Institute in the 1930s, as well as materials related to work he conducted during World War II for the National Defense Research Committee in Philadelphia and England.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Edwin H. Armstrong papers, 1909-1956 (inclusive)

Extent:

4.35 linear feet

Abstract:

Edwin H. Armstrong (1890-1954) was an American electrical engineer and inventor, best known for inventing the regenerative circuit, the super-regenerative circuit, the superheterodyne receiver, and FM (frequency modulation) radio. He spent much of his life battling in court over his patent rights, primarily with Lee De Forest and Radio Corporation of America, and took his own life in 1954. Edwin H. Armstrong papers, 1909-1956, consist of photographs, lecture notes, letters, certificates, published materials, programs and ephemera, materials from his memorial service, and other documents.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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The Historical and Interpretive Collections of The Franklin Institute aviation photograph collection, 1934-1947 (inclusive)

Extent:

1.25 linear feet

Abstract:

Founded in Philadelphia, Pennsylvania, in 1824, in honor of America's first scientist, Benjamin Franklin, The Franklin Institute is one of the oldest and most important science institutes in the nation. Its mission is to inspire a passion for learning about science and technology. The Historical and Interpretive Collections of The Franklin Institute aviation photograph collection, 1934-1947, consists of approximately one hundred photographic negatives depicting airports, airplane repair and manufacturing plants, airplanes, autogiros, airships, and other images related to aviation.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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The Historical and Interpretive Collections of The Franklin Institute subject files, 1792-1943 (inclusive)

Extent:

2.5 linear feet

Abstract:

Founded in Philadelphia, Pennsylvania, in 1824, in honor of America's first scientist, Benjamin Franklin, The Franklin Institute is one of the oldest and most important science institutes in the nation. Its mission is to inspire a passion for learning about science and technology. The Historical and Interpretive Collections of The Franklin Institute subject files, 1792-1943, consist of files arranged alphabetically by subject containing a variety of primary and secondary-source documents related to each topic. The subject headings in the collection include Assorted Industry, Assorted Machines/Technology, Aviation, Cars, Deeds, Electricity, Maps, People, Newspaper Clippings, Patents, The Franklin Institute, Trains, Printing/Typing, and other topics.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Frederic E. Ives papers, 1870-1938 (inclusive)

Extent:

4.16 linear feet

Abstract:

Frederic Eugene Ives (1856-1937) was a scientist and inventor known for his work in color photography. Frederic E. Ives papers, 1870-1938, consist of photographs, materials from the Hess-Ives Corporation, approximately a dozen scrapbooks, and other materials.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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William N. Jennings scrapbook, photographs, and negatives, 1882-1937 (inclusive)

Extent:

1.0 linear feet

Abstract:

William N. Jennings (1860-1946) was a photographer in Philadelphia, Pennsylvania best known for being credited with the first successful photograph of lightning and his work in aerial photography. William N. Jennings scrapbook, photographs, and negatives, 1882-1937, consist of Jennings's scrapbook documenting his efforts to photograph lightning, including prints of the first photograph of lightning, as well as photographs, film negatives, and glass plate negatives of people at street scenes in Philadelphia, PA and nearby areas. There is also one oversized item consisting of mounted images of lightning.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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John Scott portrait negatives of scientists, circa 1920-1930s

Extent:

7.5 linear feet

Abstract:

John Scott was a photographer. John Scott portrait negatives of scientists, circa 1920-1930s, consist of approximately 2,500 film negatives of portraits of male and female scientists from the United States and around the world. The negatives are labeled with the name and field of study of the scientist, as well as a school with which they are associated or a location.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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D. G. McCaa papers on radio, 1909-1930 (inclusive)

Extent:

4.0 linear feet

Abstract:

D. G. McCaa (1882-1954) was a doctor and a pioneer in the field of radio engineering from the Lancaster, Pennsylvania area. He is best known today for his noise-reduction circuits in AM radio.The D. G. McCaa papers on radio, 1909-1930, consist of materials relating to McCaa's work in radio, including twenty-five assorted lab notebooks, patents and patent correspondence, and other related papers.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Orville and Wilbur Wright papers on aeronautical engineering, 1889-1930 (inclusive)

Extent:

8.5 linear feet

Abstract:

Brothers Orville (1871-1948) and Wilbur Wright (1867-1912) were American inventors and pioneers in the field of aviation, best known for being credited with building and flying the first successful airplane. The Orville and Wilbur Wright papers on aeronautical engineering, 1889-1930, include notebooks, data sheets, graphs, technical drawings and blueprints, photographs, correspondence, newspaper clippings and other materials related to the brothers' aeronautical efforts.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]

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Elihu Thomson scrapbook, lantern slides, and photographs, circa 1890-1930

Extent:

3.75 linear feet

Abstract:

Elihu Thomson (1853-1937) was an English-born American electrical engineer and inventor active in Philadelphia, Pennsylvania. He was co-founder of the Thomson-Houston Electric Company, which merged with Edison General Electric Company in 1892 to establish General Electric Company. Elihu Thomson scrapbook, lantern slides, and photographs, circa 1890-1930, consist of materials relating to Thomson's time at General Electric, as well as images of various types of lighting fixtures, images of Thomson and his inventions, and other materials.

Held at: The Historical and Interpretive Collections of The Franklin Institute [Contact Us]