87,224 research outputs found

    MS-238: Prisoner of War Letters from World Wars I and II

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    This collection consists of various correspondence between POWs and their families, including 86 letters, 174 postcards, and about eight package slips during both world wars. Most of this correspondence was authored by the prisoners and sent to their families from camps in Europe, although it contains some correspondence from camps in Asia and Africa. The collection also contains correspondence from prisoners in concentration camps, such as Auschwitz, and from interned civilians in France and Germany. Because these letters were the main way to contact family members, most of the POW correspondence contain thoughts of homesickness and loneliness along with updates on an individual’s health and the various activities around the camps, including work and leisure. There is also correspondence from families to the prisoners which describe family life but also express sentiments for good health and a quick and safe return. There are also about 143 empty envelopes addressed to various places, including Copenhagen, Denmark and the Red Cross headquarters in Switzerland. Moreover, there are correspondence and envelopes from just before and after World War II, including envelopes commemorating French liberation and postcards to the United Nations from prisoners of the Spanish government begging for intervention in their imprisonment by Francisco Franco. In addition, there are various other items in the collection, including a gardening manual and nine photos from a Taiwanese prison camp, unused postcards, seven postage receipts, stamps from India, a work-receipt from Burma, and three anti-Semitic labels from Belgium, as well as various materials from previous owners of the collection. It should be noted that the items in the collection are written in many different languages, including English, German, French, Italian, Polish, and Russian, although some translations are included by previous owners of the collection. Special Collections and College Archives Finding Aids are discovery tools used to describe and provide access to our holdings. Finding aids include historical and biographical information about each collection in addition to inventories of their content. More information about our collections can be found on our website https://www.gettysburg.edu/special-collections/collections/.https://cupola.gettysburg.edu/findingaidsall/1202/thumbnail.jp

    Medical Data and Applied Ethics: Part I

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    Medical Data and Applied Ethics: Part II: The Sources of Data

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    Forum: Crisis in the Church. The Best Defense is More Speech

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    Temperature effects on material characteristics

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    Some of the physical properties of the main elements of interest in high temperature technology are reviewed. Some general trends emerge when these properties are viewed as a function of melting point, but there are a few notable exceptions. Titanium, zirconium, niobium and tantalum all have disappointingly low moduli; chromium is excellent in many ways, but has a limited ductility at lower temperatures; molybdenum oxidises catastrophically above about 700° C, and niobium suffers from severe oxygen embrittlement. Beryllium and carbon (in the graphitic form) both stand out as exceptional materials, both have very low densities, beryllium a very high modulus but an unfortunately low ductility, while graphite has a relatively low strength at the lower temperatures, although at temperatures of 2000° C and above it emerges as a quite exceptional (and probably as the ultimate) high temperature material. Some of the fundamental factors involved in high temperature material development are examined, in the light, particularly, of past progress with the nickel alloys. If a similar progress can be achieved with other base elements then a considerable margin still remains to be exploited. Protection from oxidation at high temperatures is evidently a factor of major concern, not only with metals, but with graphite also. Successful coatings are therefore of high importance and the questions they raise, such as bonding, differential thermal expansion, and so on, represent aspects of an even wider class covered by the term “composite structures". Such structures appear to offer the only serious solution to many high temperature requirements, and their design, construction and utilization has created a whole series of new exercises in materials assessment. Matters have become so complex, that a very radical and fundamental reassessment is required if we are to change, in any very significant way, the wasteful and ad hoc methods which characterise so much of present-day materials engineering

    A Review of the National Labor Relations Board\u27s Deferral Policy

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