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  • All fields: 1939
(257 results)



Display: 20

    • Biographical information

    • Welch, Adonijah Strong, 1821-1889; Presidents' papers; Iowa State University presidents
    • Box 1, Folder 1: Contains articles, brief biographies including biographies written by Iowa State professors, and correspondence about Welch.
    • Photographs and passport

    • Exploration; Travel; Central America; Panama; Darien
    • "Box 1: folder 5, Photographs and passport. The black and white 3” x 5” photograph depicts Tewkesbury in his jungle attire worn through the Darien in 1940. The color 1” x 1"" photograph is a formal picture of Tewkesbury later in life. "
    • A Mountain Interlude

    • Kentucky--History; Essays
    • Essay""A Mountain Interlude,"" by Chirstian Petersen's wife Charlotte, describing funerals in Wilhurst, Kentucky after a flood.
    • Atanasoff videos

    • Atanasoff, John V. (John Vincent) ; Iowa State University ; Electronic digital computers -- History ; Computers -- United States -- History ; Computers -- United States -- Patents ; Patent suits -- United States; Atanasoff-Berry Computer; ABC...
    • This playlist consists of films regarding John Vincent Atanasoff, the Atanasoff Berry Computer and its replica. The playlist includes all segments from the film ". . . from one John Vincent Atanasoff." Produced in 1983 and originally released on...
    • Atanasoff-Berry Computer frame, circuit installed

    • Atanasoff, John V. (John Vincent); Computers -- United States -- History; Electronic digital computers -- History; Berry, Clifford Edward, 1918-1963; Iowa State University; ABC Computer; Computer engineering -- Iowa -- Ames; Atanasoff-Berry...
    • The frame for the Atanasoff-Berry Computer with the circuit installed
    • Chemistry experiment, 1939

    • Chemistry; Laboratory; Iowa State University;
    • An experiment in micro chemistry, Chemistry 102, in the spring of 1939. The close up photograph shows a hand holding tweezers which in turn hold a small chemical boat as it is about to be inserted into a small electrified chamber. A voltage meter...
    • Drums of the Atanasoff-Berry computer, Physics

    • Atanasoff, John V. (John Vincent); Computers -- United States -- History; Electronic digital computers -- History; Berry, Clifford Edward, 1918-1963; Iowa State University; ABC Computer; Computer engineering -- Iowa -- Ames; Atanasoff-Berry...
    • The keyboard and counter drums contained 1600 capacitors each. The capacitors stored charge, acting as a primitive memory unit.
    • Faculty and students in the Botany Dept.

    • Iowa State University; Dept. of Botany
    • Faculty and students in the Botany Dept. are posing for a photograph. They are front row (left to right): Baker, H.H. Plagge, I.E. Melhus, Nelson, E.D. Ball, man unknown, man unknown ; back row (left to right): Thomas, man unknown, Thom, man...
    • Hello Beautiful

    • Artists--Iowa; Petersen family; Childrens' stories--Pictorial works; Livres d'artistes
    • Booklet made for Mary Charlotte Petersen, daughter. Audio of Carol Elbert reading aloud "Hello Beautiful"
    • International Alliance of Women 13th Congress Badge

    • Suffrage; Denmark; Women's rights; International Woman Suffrage Alliance
    • Silver, round button with "Intern. Stemmert Alliance 13 Kongress" around the edge "Kobenhaven", "July 1939", and a tree and a heart embossed on it. It is connected with white and yellow ribbons to an oval piece of white paper with "C.C.C."...

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