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Information Circular
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The Dunning School
From the late nineteenth century until World War I, a group of Columbia University students gathered under the mentorship of the renowned historian William Archibald Dunning (1857--1922). Known as the Dunning School, these students wrote the first generation of state studies on the Reconstruction -- volumes that generally sympathized with white southerners, interpreted radical Reconstruction as a mean-spirited usurpation of federal power, and cast the Republican Party as a coalition of carpetbaggers, freedmen, scalawags, and former Unionists. Edited by the award-winning historian John David Smith and J. Vincent Lowery, The Dunning School focuses on this controversial group of historians and ...
Maine Biographies
"As is characteristic of mugbooks of this era, most of the sketches in Maine Biographies give the subject's place and date of birth, his educational background and military service, and then his career, civic interests, church affiliation, hobbies, and so on. In almost every case, the author furnishes the names of the subject's parents, spouse, children, and spouse's parents, usually citing the subject's date of marriage and the dates or places of birth and death of at least these three generations of family members. In most instances, the subject's lineage can be traced back to the first half of the 19th century. Following are the surnames of the persons featured in the biographical sketches, as compiled from the indexes appearing at the back of each volume"--Publisher website (December 2008)
W Tungsten
The volume describes physical properties of tungsten metal and covers specifically surface properties, electron emission, and field evaporation. Tungsten surfaces are probably the most extensively studied metal surfaces. Recently, experimentalists and theorists have focussed their interest on the atomic structure, lattice dynamics, and electronic properties of the W(100) surface. While the structure of the reconstructed low-temperature surface is well established, there are still unresolved problems concerning the structure at and above room temperature, the nature of the phase transition, and the driving force for the reconstruction. There are numerous and partly conflicting data on the sur...
Precious Metals Recovery from Low-grade Resources
This information circular describes research the Bureau of Mines has conducted to improve technology for recovering precious metals from low-grade resources. Many of the reported findings are recent, and some of te work described is ongoing. Topics discussed include cyanidation of carbonaceous gold ores to enhance gold recovery, a new method for precipitating mercury during cyanide leaching of gold ores, a staged heap leaching process to generate suitable solutions for direct electrowinning of gold, the use of anion-exchange resins to recover gold from cyanide solutions, and precious metals recovery from electronic scrap.
