Pencil drawing of an opossum standing on a branch or log, facing to the left, its tail wrapped around branching twig. A few very faint pencil lines indicate borders of scene. Preparatory drawing for a scratchboard illustration published in Victor H. Cahalane's "Mammals of North America" (1947), p. 105.
Ophthalmoscope. Cylindrical handle attached to rotating disk; disk includes numbers from 8 to 23; small light bulb and metal attachment in case; case is leather and velvet lined. Case marked: "DeZeng-Standard Co. -- Camden, N. J". Ophthalmoscope marked: "DEZENG STANDARD CO. -- MAKERS- CAMDEN N.J. -- PATENTED -- JAN. 19. 04".
Contributor:
De Zeng-Standard Co (Camden, New Jersey)
Contributed By:
University of Minnesota Libraries, Owen H. Wangensteen Historical Library of Biology and Medicine.
Ophthalmological forceps. Stored in a light blue box with gold lettering and a small plastic window that displays the blades of the instrument; interior of box lined with turquoise foam; tweezer-style forceps with wide, ribbed handles; forceps narrow to thin blades; blades are encased in a translucent rubber sleeve. Includes manufacturer marking...
Created:
1940 - 1960?
Contributed By:
University of Minnesota Libraries, Owen H. Wangensteen Historical Library of Biology and Medicine.
By the Hilbert-Polya conjecture the critical zeros of the Riemann zeta function correspond to the eigenvalues of a self adjoint operator. By a conjecture of Dyson and Montgomery the critical zeros (after a certain rescaling) look like the bulk eigenvalue limit point process of the Gaussian Unitary Ensemble. It is natural to ask if this point pro...
Creator:
Valko, Benedek (University of Wisconsin, Madison)
Created:
2012-06-19
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
The publishing of the National Academy reports during the beginning of the century called out operations research and systems engineering to solve the healthcare sector’s vexing problems. Yet, few instances of broad impact exist in improving patient experience, access and population health, and in reducing costs. Mayo Clinic’s Information an...
Creator:
Pasupathy, Kalyan (Mayo Clinic)
Created:
2017-07-26
Contributed By:
University of Minnesota, Institute for Mathematics and its Applications.
This folder contains materials created/collected by the National Recreation Association which was founded in 1906 as the Playground Association of America and later known variously as the Playground and Recreation Association of America (1911), National Recreation Association (1930), and National Recreation and Park Association (1965). Initially...
Creator:
National Recreation Association
Created:
1970
Contributed By:
University of Minnesota Libraries, Social Welfare History Archives.
Open: Hitler speaking followed by Sig Heils! Close: "but no one brought Wilhelm back." following by 12 seconds music and out. Part of a series of KUOM radio broadcasts that aired Tuesdays, 2:15-2:30pm for Grades 5 through 9. "This series, which deals with some of the events of 1940, is presented with the hope that it will enable our young listen...
Creator:
University of Minnesota. Radio Station KUOM; University of Minnesota. Audio Visual Library Services
Contributor:
Jones, David; Cribb, Time
Created:
1960-10-25
Contributed By:
University of Minnesota Libraries, University Archives.
