992 resultados para Blackwell, John, 1848-1887.


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"The duty of sustaining the ministry, by John Blackwell": p. [63]-78.

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Collection primarily documents McCulloch's research on women's legal status, and her work with the Illinois Equal Suffrage Association, the National American Woman Suffrage Association, and the League of Women Voters. There is also documentation of women in the legal profession, of McCulloch's friendships with the other women suffragists and lawyers, and some biographical material. The papers contain little information about her family or social life.

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"Selected references on air power prepared by Aeronautics Division, the Library of Congress": p. 22-23.

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Travel.--On education.--Gems of thought.

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There is increasing interest in the diving behavior of marine mammals. However, identifying foraging among recorded dives often requires several assumptions. The simultaneous acquisition of images of the prey encountered, together with records of diving behavior will allow researchers to more fully investigate the nature of subsurface behavior. We tested a novel digital camera linked to a time-depth recorder on Antarctic fur seals (Arctocephalus gazella). During the austral summer 2000-2001, this system was deployed on six lactating female fur seals at Bird Island, South Georgia, each for a single foraging trip. The camera was triggered at depths greater than 10 m. Five deployments recorded still images (640 x 480 pixels) at 3-sec intervals (total 8,288 images), the other recorded movie images at 0.2-sec intervals (total 7,598 frames). Memory limitation (64 MB) restricted sampling to approximately 1.5 d of 5-7 d foraging trips. An average of 8.5% of still pictures (2.4%-11.6%) showed krill (Euphausia superba) distinctly, while at least half the images in each deployment were empty, the remainder containing blurred or indistinct prey. In one deployment krill images were recorded within 2.5 h (16 km, assuming 1.8 m/sec travel speed) of leaving the beach. Five of the six deployments also showed other fur seals foraging in conjunction with the study animal. This system is likely to generate exciting new avenues for interpretation of diving behavior.

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Alfred John

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Includes bibliographical references and index.

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Plates XL-LII each accompanied by leaf with descriptive letterpress.

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Preface signed: John C. Wister, Chairman.

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"Scale, protractor and square" in pocket on end lining-paper of each volume.

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A. Measurement.--B. Constructions.--C. Drawing to scale.--D. Percents.--E. Uses of graphs.--F. Formulas & Equations. --G. Wise use of money.

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Mode of access: Internet.