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Jan 1, 1929

Jan 1, 1958

Jan 1, 1931

Jan 1, 1926

Jan 1, 1949

South Dakota State School of Mines, Rapid City, S. D. C C O'Harris,-President. A number of technical bulletins have been issued at the South Dakota State School of Mines but, unfortunately, most of them are out of print and as this directory is concerned only with available publications, the following are all that are now to be had Bulletin 11, A bibliography of the geology and mining interests of the Black Hills region (1917), no charge; 14, The geology, mineralogy, and scenic features of Custer State Park (1926), 40 cents plus postage on 1 lb ; 15, The Tertiary mineralization of the northern Black Hills (1927), charge, postage on 1 1b.; 16, The mineral wealth of the Black Hills t418 pages) (1929), 80 cents plus postage on 3 lb

Jan 1, 1933

Jan 1, 1935

Jan 1, 1944

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Jan 1, 1946

Jan 1, 1950

Jan 1, 1935

THE following letter from the Rector of Louvain University, addressed to Mr. Adams and the other delegates of the Founder Societies, will be of interest to members of the Institute. It is my duty, in the name of the University of Louvain and in my own personal name, to thank you and the representatives of the Founder Societies of the "United Engineering Society" for the very kind letter of congratulations which you sent to me from Brussels on the 5th of July.

Jan 1, 1928

D EC. 20-The spirit of Christmas and good will toward men has managed a few brief appearances on the front pages, welcome relief from man's usual ill-will toward man. A couple politicos did their best to brighten the scene by well-publicized romances. There was a general exodus to Florida to patch up nervous systems, and even the UNO quieted down as Mr. Vyshinsky departed for home via Eastern Germany. Before going he opened up a preliminary bombardment for the worldwide "communist peace offensive," and it is now the duty of the 600 million (according to the Cominform) ideological converts to press home the attack. In Washington, Mr. Lilienthal resigned as Chairman of the Atomic Energy Commission and demonstrated again the difficulty of government to retain the services of capable men. The President has yet to appoint another victim- possibly someone nicely noncontroversial and timid. So might the critics be appeased, but it would bode ill for the rapid exploitation of peaceful uses of atomic energy, the relaxation of excessive secrecy, wider sharing of developmental work with friendly nations and possible revision of the Acheson-Lilienthal proposals for inter- national control of the atomic bomb.

Jan 1, 1950

Jan 1, 1916

Jan 1, 1917

CLARENCE N. FENNER.-Mr. Gelstharp, chief chemist of the Pitts-burgh Plate Glass Co., has directed my attention to the fact that that company was using optical pyrometers obtained from the Leeds & Northrup Co. several months before the members of the Geophysical Laboratory arrived at Charleroi. I am glad to make this correction. The chief object of my paper was to emphasize the necessity of careful temperature control in the making of optical glass and to describe the kind of tests to which an optical pyrometer should be subjected at a glass plant in order to obtain information regarding the closeness with which its readings correspond with true temperatures under the condi-tions which prevail in each particular case.

Jan 12, 1919

Jan 1, 1955

Jan 1, 1964

Jan 1, 1943