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Title
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1946 Farm Record, 1947 Farm Record
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Description
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Farm record book published by C.A. Bacon, Hillsdale Michigan. This volume, published for 1946, has "1947" hand-written on the cover and contains records for the Raymond S. Pilgrim farm which was located in the northeast quarter of Section 27 of Grant Township in Poweshiek County, Iowa. The tables in the book are keyed to the federal income tax schedules. Schedules included are: Livestock bought and sold; sale of produce; labor expense; feed, seed, and supplies purchased; machines hired; repairs and maintenance; fertilizer; fuel and oil; interest paid; electricity and telephone; freight and trucking; veterinary and medicine; taxes paid; insurance; storage hired; rent of other lands and buildings; other miscellaneous expenses; depreciation of buildings, machinery, livestock, fences and drains; other income and other deductible expenses.
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Date Created
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1947
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PID
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grinnell:18937
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Title
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Computing: Limitations and Promising Developments, Computing Tutorial, Grinnell College, Fall, 2004, Tutorial, Fall 2004, Walker
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Description
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The first year tutorial, taken in the fall semester, is Grinnell College's only general academic course requirement. The college intends the tutorial to assist students in further developing their critical thinking skills and in improving their written and oral communication skills. Each of the tutorials offered in a given fall semester is based around a particular subject matter, which provides the vehicle by which the above goals are accomplished. Uses the exploration of issues around artificial intelligence and computing in general
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Date Created
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2004
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PID
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grinnell:222
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Title
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Decline and Renewal in the Heartland, Tutorial, Fall 2003, Decline and Renewal in the Heartland
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Description
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The first year tutorial, taken in the fall semester, is Grinnell College's only general academic course requirement. The college intends the tutorial to assist students in further developing their critical thinking skills and in improving their written and oral communication skills. Each of the tutorials offered in a given fall semester is based around a particular subject matter, which provides the vehicle by which the above goals are accomplished. The arrival of European Americans in the Upper Midwest in the middle of the nineteenth century led to dramatic changes in the region's ecology. In what was perhaps the most rapid and extensive degradation of a natural ecosystem in human history, in the space of 50 years settlers plowed under millions of acres of the native tallgrass prairie and replaced it with a diversified agricultural ecosystem on what proved to be some of the best farmland in the world. As agriculture expanded, the prairie diminished.
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Date Created
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2003
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PID
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grinnell:316
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Title
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Discovery-based Gauss's law
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Description
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The mathematical parallels between electrostatics and laminar fluid flow are exploited to develop a set of exercises that allow introductory physics students to discover Gauss’s Law. The primary fluid experiment involves investigating the continuity equation in two dimensions by examining the flow between two closely spaced plates. Extrapolation of the resulting two-dimensional velocity field to three dimensions reveals a radial dependence to the velocity field that is analogous to Coulomb’s Law. This analogy allows the student to predict an electric version of the continuity equation that is Gauss’s Law.
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Date Created
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2004
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PID
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grinnell:223
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Title
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Music in the Balance of Power, Tutorial: Music in the Balance of Power
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Description
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The first year tutorial, taken in the fall semester, is Grinnell College's only general academic course requirement. The college intends the tutorial to assist students in further developing their critical thinking skills and in improving their written and oral communication skills. Each of the tutorials offered in a given fall semester is based around a particular subject matter, which provides the vehicle by which the above goals are accomplished.
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Date Created
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2002
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PID
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grinnell:226