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Walter A. R. Pertuch lantern slides, circa 1894-1902

Extent:

1.0 linear feet

Abstract:

Walter A. R. Pertuch (1888-1976) worked in the library at The Franklin Institute in Philadelphia, Pennsylvania for fifty-five years, serving as the Institute's librarian from 1940 to 1959. He was an amateur photographer and photograph collector. Walter A. R. Pertuch lantern slides, circa 1894-1902, consist of approximately sixty-seven images depicting street and river scenes, buildings, and other images of Philadelphia, as well as images of the Pertuch family and others in Philadelphia and pictures of the family and scenery at Holly Beach, New Jersey (which was incorporated into Wildwood, NJ in 1912).

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

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Harry A. Hornor lantern slides, circa 1900-1920

Extent:

3.0 linear feet

Abstract:

Harry A. Hornor (1874-1939) was an electrical engineer who lived in Philadelphia, Pennsylvania and worked for the New York Ship Building Corporation in Camden, New Jersey. Hornor published several papers in prestigious science and engineering journals related to electrical engineering on ships. The Harry A. Hornor lantern slides, circa 1900-1920, consist of two hundred and thirty-five lantern slides depicting images of ships, as well as their construction, launches, interiors, mechanics, equipment, and other aspects. There are also images of diagrams, drawings, and schematics related to the electrical engineering aspects of ship building.

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

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George W. Hewitt glass plates, circa 1908-1911

Extent:

7.0 linear feet

Abstract:

George Wattson Hewitt (1841-1916) was an architect active in Philadelphia, Pennsylvania, and was involved in the design of several well-known buildings, including the Bellevue-Stratford Hotel, the Philadelphia Bourse, and the Library of the University of Pennsylvania. He worked with noted Philadelphia architect Frank Furness from 1867 to 1875, when they dissolved their partnership. From 1875 to 1878, Hewitt worked on his own and then opened a new firm in 1878 with his brother, where he remained until he retired in 1907. Hewitt passed away in 1916. George W. Hewitt glass plates, circa 1908-1911, consist of approximately one thousand glass plate positives and negatives from Hewitt's travels in Europe.

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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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 scrapbook collection, 1940-1959 (bulk) 1909-1959 (inclusive)

Extent:

1.33 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 scrapbook collection, 1909-1959 (bulk 1940-1959), consists of eleven scrapbooks with newspaper and magazine clippings, photographs, ephemera, correspondence, and other materials related to aviation and airplanes. Most of the scrapbooks in the collection were compiled by Carl Hunter Boas; some were compiled by Thomas Hart.

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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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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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]