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(2058 results)



Display: 20

    • Delta Wing Photograph

    • Aircraft models; Aerodynamics; Airplanes--Design and construction--History; Airplanes--Wings, Triangular; Delta wing airplane; World War, 1939-1945--Science--Germany
    • Duck-wing as Delta O: a model
    • Letter from Carver to Pammel, October 13, 1902

    • Botanical Specimens; Curtiss, Charles F. (Charles Franklin), 1863-1947; Pammel, L. H. (Louis Hermann), 1862-1931; Bissell, George Welton, 1866-
    • October 13th, 1902 Dr. L. H. Pammel, Ames, Iowa. My Dear Professor Pammel: I have your favor of October 7th asking for fifty specimens of our most prominent weeds. I shall take pleasure in collecting these specimens for you myself as I can do so in...
    • Letter from Carver to Pammel, February 12, 1901

    • Botanical Specimens; Pammel, L. H. (Louis Hermann), 1862-1931
    • 2 / 12 / 1901 Dr. L. H. Pammel Ames Iowa. My dear Prof. Pammel, Many thanks for your kindnesses I shall keep the plants you desire in mind and secure as many as possible for you. Prof. I have thought seriously about my Pharmo. Collection of...
    • Letter from Carver to Pammel, April 9, 1903

    • Botanical Specimens; Pammel, L. H. (Louis Hermann), 1862-1931
    • April 9, 1903 Dr. L. H. Pammel, Ames, Iowa. My Dear professor Pammel: I have your favor of April 4th, with enclosure to Mr. Crawford, who is not here now and I do not exactly know where he is; but I will take charge of the enclosure and when I find...
    • Echinacea purpurea (Coneflower)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Echinacea purpurea (Coneflower) specimen(black and white), including flowers and leaves, identified as negative 398
    • Populus tremuloides (Aspen)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Populus tremuloides (Aspen) specimen (black and white), including flowers and leaves, identified as negative 469
    • Rudbeckia hirta (Black-eyed Susan)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Rudbeckia hirta (Black-eyed Susan) specimen (handcolored), including flowers and leaf, identified as negative 900. Location: Suburban Isle Park
    • Helenium autumnale (Sneezeweed)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Helenium autumnale (Sneezeweed) specimen (handcolored), including flowers and leaves, identified as negative 990
    • Taraxacum (Dandelion)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Taraxacum (Dandelion), in situ (handcolored), identified as negative 1219
    • Eupatorium perfoliatum (Boneset)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Eupatorium perfoliatum (Boneset) specimen (handcolored), including flowers and leaves, identified as negative 1310
    • Brassica nigra (Black mustard)

    • Botany; Botany in Iowa; Plant ecology; Prairie ecology; Prairie plants
    • Brassica nigra (Black mustard) specimens (black and white), including flowers and leaves, identified as negative 1322A
    • Campanile, 1948

    • Campanile; Iowa State University;
    • The Campanile as seen from the south. The trees have lost their leaves. A lone woman in coat and scarf stands on the sidewalk in the near distance. The clock shows 11:36.
    • Campanile, 1952

    • Campanile; Iowa State University
    • The Campanile as seen through an opening in the surrounding grove of trees. Clock shows 3:40. Fully leafed tree branches and foreground shadows frame the view of the Campanile. One of a set of four very similar photographs, the others of which are:...
    • Campanile, 1952

    • Campanile; Iowa State University
    • The Campanile as seen through an opening in the surrounding grove of trees. Clock shows 3:44. Fully leafed tree branches and foreground shadows frame the view of the Campanile. One of a set of four very similar photographs, the others of which are:...
    • Letter from Pammel to Carver, February 28, 1927

    • Carver, George Washington, 1864?-1943
    • 1348 W. Union St., Gainesville, Florida February 28, 1927 Prof. Geo. W. Carver, Tuskegee Institute, Tuskegee, Ala. Dear Prof. Carver: I am glad to get your letter. I am afraid it will be impossible on my return trip, to stop with you, as my time is...

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