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  • All fields: negative
(550 results)



Display: 20

    • Deposition of Dr. John V. Atanasoff

    • Atanasoff, John V. (John Vincent) ; Electronic digital computers -- History ; Computers -- United States -- History ; Computers -- United States -- Patents ; Patent suits -- United States
    • Honeywell, Inc. Plaintiff, -vs- Sperry Rand Corporation and Illinois Scientific Developments, Inc., Defendants. U.S. District Court, District of Minnesota Fourth Division. Deposition of Dr. John V. Atanasoff taken by Plaintiff, before Earl G....
    • J.B. Davidson photographs and other materials, trip to China, 1947-1949

    • Agricultural Engineering; Farm mechanization; Agricultural machinery; Iowa State University; Dept. of Agricultural Engineering; International Harvester Company; Irrigation; Travels; Davidson, J. Brownlee (Jay Brownlee), 1880-1957; VEISHEA;...
    • A collection of Jay Brownlee Davidson's photographs taken during an International Harvester sponsored trip to China from 1947-1949 to introduce agricultural engineering to the Chinese. A pamphlet, "Committee on Agricultural Engineering for China",...
    • Manual for the Atanasoff-Berry Computer

    • Atanasoff, John V. (John Vincent) ; Berry, Clifford Edward, 1918-1963 ; Electronic digital computers -- History ; Computers -- History ; Computer engineering -- Iowa -- Ames
    • Manual for the original Atanasoft-Berry Computer build by John Vincent Atanasoff and Clifford Berry.
    • Lucy Pascal

    • Pascal, Lucy
    • A woman, Lucy Pascal, holding a sketch pad. Lucy is the sister of Descartes Pascal. She is sitting on a boulder under a tree.
    • Amorpha canescens  (Lead plant)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Amorpha canescens (Lead plant) specimens (handcolored), including flowers and leaves, identified as negative 1397
    • Aster multiflorus (Dense flowered aster) specimen

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Aster multiflorus (Dense flowered aster) specimen (black and white), including flowers and leaves, identified as negative 1473. Noted as being on railroad track, road to Tower.
    • Pascal house

    • Pascal family--Homes and haunts--Iowa--Grand Mound
    • Back view of the Pascal house, Grand Mound, Iowa in winter. Men are cutting wood. Between the two men on the left is a circular saw. On the right are two horses.
    • Bidens alba (Beggars tick)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Bidens alba (Beggars tick) specimen (black and white), including flowers and leaves, identified as negative 1324
    • Bidens alba (Beggars tick)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Bidens alba (Beggars tick) specimen (black and white), including flowers and leaves, identified as negative 1325
    • Bidens alba (Beggar tick)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Bidens alba (Beggars tick) specimens (black and white), identified as negative 1326
    • Boys on horse-drawn sleds

    • Pascal, Lee; Babcock, Jasper; Pascal, Percy; Townsen, Jim; Sleds; Corncribs
    • Boys on horse-drawn sleds in winter. Lee Pascal and Jasper Babcock are on the front sled. Percy Pascal and Jim Townsen are on the rear sled. The horse's name is Daisy. The photo is taken in front of the corn crib on the Pascal farm.

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