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[Allen-Sherman-Hoff Pump Co. Third Cover Dee Carlton Brown, Advertising Allis-Chalmers Mfg. Co. 822, 831, 840 Compton Advertising, Inc. American Cyanamid Co. * James J. McMahon, Inc. American Manganese Steel Div., American Broke Shoe Co. 839 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. * Kenyon & Eckhardt Inc. Carton Products Corp. * Penn and Hamaker, Inc. Chester Cable Corp. * George Homer Martin Associates]

Jan 1, 1952

[Allen-Sherman-Hoff Pump Co Third Cover Dee Carlton Brown, Advertising Allis-Chalmers Mfg. Co 625,654 Compton Advertising, Inc. American Cyanamid Co 638,639 James J. McMahon, Inc. American Manganese Steel Div., American Brake Shoe Co 642 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co * Kenyon & Eckhardt Inc. Carlon Products Corp * Penn and Hamaker, Inc. Chicago Pneumatic Tool Co 627 G. M. Basford Co.]

Jan 1, 1952

WE, the undersigned, being all persons of full age and citizens of the United States and a majority residents of the State of New York, desiring to form a corporation pursuant to the provisions of the Membership Corporations Law for the purpose of incorporating, as provided in Section 5 of Article I of said law, the existing unincorporated association known as American Institute of Mining and Metallurgical Engineers, Incorporated, do hereby make, acknowledge and file this Certificate for that purpose, and do certify as follows I That the American Institute of Mining Engineers is an unincorporated association organized and existing with the object of promoting the arts and sciences connected with the economic production of the useful minerals and metals and the welfare of those employed in these industries by means of meetings for social intercourse and the reading and discussion of professional papers, and to circulate by means of publications among its members and associates the information thus obtained

Jan 1, 1952

Jan 1, 1952

By E. B. Branson

Introduction to Geology, by E. B. Branson, W. A. Tarr, and W. D. Keller, revised-by Carl C. Branson. McGraw-Hill, 1952. $5.50.-Dealing with physical and historical geology, the book has been revised from an earlier edition. An attempt has been made to eliminate unnecessary detail in discussing processes and history. Revisions bring technical and statistical data up-to-date, and follow suggestions by teachers who used earlier editions. The book carries an eye witness account of the severe earthquake in Assam, India, in 1950 and the story of Paricutin and other major examples of volcanism. Charts summarize chemical weathering, and the results of metamorphisms. The book also contains many new illustrations, including aerial photographs. A History of Phelps Dodge 1834-1950, by Robert Glass Cleland. Alfred A. Knopf, 1952. $4.00.-The book traces the growth of Phelps Dodge from the day Anson Greene Phelps opened a small saddle shop in Hartford, Conn., to the present day. As the country grew, so did Phelps Dodge. The company took part in large affairs from its very beginning. It bought and sold, exported and imported, built factories and railroads, and widened its scope of operations economically and geographically. Entrance of Phelps Dodge into copper mining and the gradual giving up of other interests in favor of the new venture is traced.

Jan 1, 1952

Apr. 9, AIME, Chicago Section, Chicago Bar Assn., 29 S. La Salle St., Chicago. Apr. 11-12, Geological Society of America, Cordilleran Section, annual meeting, University of Arizona, Tucson. Apr. 15, AIME, Morenci Subsection, Longfellow Inn, Morenci, Ariz. Apr. 15-17, AIME, South West district meeting, Jefferson Hotel, St. Louis, Mo. Apr. 17, AIME, Utah Section, New House Hotel; Salt Lake City. Apr. 21-22, American Zinc Institute, annual meeting, Hotel Statler, St. Louis. , Apr. 21-23, Chemical, Metallurgical, and Mining Society, and Diamond Drilling Research Laboratory, symposium on diamond drilling, Johannesburg, South Africa. Apr. 22, Assn. of Consulting Chemists & Chemical Engineers, Inc., general symposium, Hotel Belmont Plaza, New York. Apr. 25-26, AIME, New England Regional Conference, Kenmore Hotel, Boston. Apr. 26-May 11, Liege International Fair, Liege, Belgium. May 4-8, Electrochemical Society, Inc., Spring meeting, Benjamin Franklin Hotel, Philadelphia.

Jan 1, 1952

By J. E. Metcalfe

Proceedings of the Fourth Empire Mining and Metallurgical Congress, Great Britain 1949. Part II published at the Offices of the Congress in London, England, 1139 pp. The price of these proceedings is £ 2. The parts may be purchased separately at a cost of £ 1 each.-Part I of this book covers a report of the organizing committee, the inaugural meeting and presidential address, banquet at Guildhall, welcome by Sir Richard Livingstone at Oxford. and final session. Technical session and papers are also covered in Part I. Part II covers such topics as coal, present-day trends in mineral dressing and metallurgy. Mining Engineer's Survey Manual. By J. E. Metcalfe. Published for "Mine & Quarry Engineering" by Electrical Press, London, 1951. 341 pp., illus., charts, diagrs., tables, 8 ¾ x 5 1/ in., cloth, 30s., available from Percival Marshall & Co., Ltd., London, and British Book Centre, 122 East 55th St., New York 22, N. Y. Beginning with a brief treatment of surveying fundamentals and a discussion of the correlation of surface and underground surveys, this practical manual continues with descriptions of surveying practice both above and below ground including stopes, inclined shafts; etc. Space is devoted to sampling and valuation, geological considerations, and descriptions of modern surveying instruments. The organization of survey operations is covered in the last chapter.

Jan 1, 1952

Oct. 3, AIME, National Open Hearth. Southern Ohio Section, Deshler-Wallick Hotel, Columbus. Ohio. Oct. 10, AIME, Eastern Section, National Open Hearth Steel Committee, Harwich Hotel, Philadelphia. Oct. 15-17, Canadian Institute of Mining and Metallurgy, annual western meeting, Royal Alexandra Hotel, Winnipeg. Oct. 20-22, AIME, Institute of Metals Div., fail meeting with National Metal Congress. Hotel Adelphia, Philadelphia. Oct. 20-24, American Society for Metals, meeting with National Metal Congress, Benjamin Franklin Hotel, Philadelphia. Oct. 20-24, 40th National Safety Congress, Conrad Hilton, Congress, LaSalle. Morrison and Sheraton Hotels, Chicago. Oct. 24, Fall Meeting of Mining Branch of the Southern California Section, AIME, Statler Hotel, Los Angeles. Oct. 24, Illinois Mining Institute, annual meeting, Hotel Abraham Lincoln. Springfield. Ill.

Jan 1, 1952

Discussion WEDNESDAY AFTERNOON, FEBRUARY 21, 1951 Ralph E. Grim presiding R. E. GRIM, CHAIRMAN-Has anyone a particularly fruitful point to make or question to ask on any of the papers that have been presented at the two sessions held on Monday and one held this morning? GENESIS OF ENDELLITE T. S. LOVERING-I think we are all a little bit embarrassed when we are asked if we have any particularly fruitful point for discussion; I just have a point. I believe that yesterday Bates said that he had found endellite in only hydrothermally altered rocks-he did not find it in sedimentary rocks-but this morning I heard Victor Allen say something about it as the normal product of weathering, and I am confused. My question concerns the genesis of endellite. I want to know whether endellite is found as a normal product of weathering. I understood from the paper by Bates that it was not a product of weathering and in the paper by Victor Allen* endellite was said to be a product of normal weathering. Did I misinterpret these two papers? T. F. BATES-I did not intend to state or imply that endellite is formed only under hydrothermal conditions. We have been studying the North Carolina deposits extensively and I feel that they illustrate very well the result of normal weathering processes acting on pegmatitic material. The resulting clay seems to be largely endellite or halloysite, almost to the exclusion of kaolinite. I may have misled you in the statement I made toward the end of my talk, to the effect that of all the kaolinic clays we have investigated with the electron microscope, we have not yet found halloysite or endellite in samples from clay deposits that are definitely sedimentary in origin. R. E. GRIM, CHAIRMAN-Professor Allen, have you anything to say on the matter of bauxite?

Jan 1, 1952

[Allen-Sherman-Hoff Pump Co Third Cover Dee Carlton Brown,-Advertising Allis-Chalmers Mfg. Co. 8 Compton Advertising, Inc. American Cyanamid Co. 18,19 James J. McMahon. Inc. American Manganese Steel Div. American Brake Shoe Co. 20 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. Kenyon & Eckhardt Inc. Atlas Powder Co. 11 The Aitken-Kynett Co..]

Jan 1, 1952

By Brian Mason

Wire Ropes in Mines. Proceedings of a conference held at Ashorne Hill, Leamington Spa, Warwickshire, September, 1950. Published by the Institution of Mining and Metallurgy, Salisbury House, London, 1951. 828 P. $7.00-The volume contains 18 pages on the manufacture and properties of rope wire and wire ropes. In addition, wire rope practice in Britain, Ontario, the Witwatersrand, The United States, South Africa, and other countries are discussed. Testing, government regulations, and inspection are also treated. The book contains a three day discussion on these subjects complete with a summary of conclusions and recommendations. Heating Ventilating Air Conditioning Guide 1952. Published by the American Society of Heating and Ventilating Engineers, New York, 1952. 1496 P. $7.50.Contains a technical data section of reference material on the design and specification of heating, ventilating and air conditioning systems. Also has a section containing information on equipment and manufacturers. An index to technical and equipment sections is included.

Jan 1, 1952

[Acker Drill Co., Inc. 1267 Bauer Advertising Inc. Allen & Co. Ltd., Edgar 1275 Allen-Sherman-Hoff Pump Co. Third Cover Dee Carlton Brown, Advertising Allis-Chalmers Mfg. Co. 1116 Compton Advertising, Inc. Allis-Chalmers Mfg. Co., Tractor Div 1131 Bert S. Gittins American Cyanamid Co. 1117 James J. McMahon, Inc. American Manganese Steel Div., American Brake Shoe Co. 1130, 1160 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. 1173-1174 Kenyon & Eckhardt Inc. Atlas Car & Mfg. Co., The 1279]

Jan 1, 1952

[Allen-Sherman-Hoff Pump Co. Third Cover Dee Carton Brown. Advertising Allis-Chalmers Mfg. Co. 533,540 Compton Advertising, Inc. American Cyanamid Co. * James J. McMahon. Inc. American Manganese Steel Div., American Brake Shoe Co. 548, 548,549 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. * Kenyon & Eckhardt Inc. Carlon Products Corp. 528 Penn and Hamaker, Inc. Chicago Pneumatic Tool Co. 558 G. M. Basford Co. Colorado Fuel & Iron Corp. * Doyle, Kitchen & McCormick, Inc.]

Jan 1, 1952

Sept. 3-6, AIMS, Fall Meeting, Industrial Minerals, Minerals Beneficiation, Mining, Geology, & Geophysics, Iron and Steel, and Coal Div., Palmer House, Chicago. Sept. 3-13, AIMS, Chicago Section, Centennial of Engineering, Chicago. Sept. 5-6, Engineers' Connell for Professional Development, annual meeting, Hotel Sheraton, Chicago. Sept. 8-15, International Geologic Congress, Algiers. Sept. 11-13, American Institute of Chemical Engineers, Palmer House, Chicago, Ill. Sept. 18, RIME, Utah Section, Newhouse Hotel, Salt Lake City. Sept. 22-25, American Mining Congress, Metal and Nonmetallic Mining Convention and Exposition, public auditorium, Denver. Sept. 23-25, Institution of Mining and Metallurgy, symposium on mineral dressing, Royal School of Mines, London. Sept. 30, AIME, Morenci Sub-section, Longfellow Inn, Morenci, Ariz.

Jan 1, 1952

A BLAST can be "full of sound and fury," signifying nothing but a poorly confined charge, or it can be a muffled, well controlled explosion which moves the rock efficiently and places it in the desired location with the least amount of fuss and bother. Why one method will do the job and another proves to be almost useless is shown by the machine-gun camera studies of quarry blasting made by the Atlas Powder Co. staff. The sequence, or machine-gun, camera is the latest scientific device for the study of cause and effect factors in blasting. Movie cameras, previously used, although of some use, were limited because slow shutter speeds and small negatives failed to give clear, sharp prints. During World War II, the AAF developed the sequence camera, which figuratively stops the blast at regular intervals, making study and evaluation feasible. The camera is simple and inexpensive and offers material for accurate examination of blasting techniques. The machine-gun camera takes three 5x5 in. exposures per sec at a 1/450 sec shutter speed, four times faster than a movie camera. Negatives are 30 times larger than those of movie cameras, giving large, sharp prints. The rock movement is frozen on the picture as the sequence of the blast takes place. Pictures on this page show the advantage of individual machine gun photographs. But the sequences made possible by this camera give graphic, dramatic and conclusive support to recently developed detonation theories.

Jan 1, 1952

[Acker Drill Co., Inc. 997 Bauer Advertising, Inc. Allen -Sherman-Hoff Pump Co. Third Cover Dee Carlton Brown, Advertising Allis-Chalmers Mfg. Co. 911 Compton Advertising, Inc. American Cyanamid Co * James J. McMahon, Inc. American Manganese Steel Div., American Brake Shoe Co. 933 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. * Kenyon & Eckhardt Inc. Carlon Products Corp. 910 Penn and Hamaker. Inc.]

Jan 1, 1952

Mar. 3-7, ASTM, spring meeting and commitee week, Hotel Statler, Cleveland. Mar. 4, AIME, Morenci Sub-Section, Longfellow Inn, Morenci, Ariz. Mar. 5, AIME, Chicago Section, Ladies Night, Chicago. Mar. 10-13, National Electrical Mfrs. Assn., spring meeting, Chicago. Mar. 10-14, National Assn. of Corrosion En-Engineers, annual convention, Galveston. Mar. 11, Society for Applied Spectroscopy, 6 pm, supper, Tosca's; S pro, meeting, Socony-Vacuum Training Center, 63 Park Row, New York. Mar. 16-19, American Institute of. Chemical Engineers, Atlanta Biltmore Hotel, Atlanta. 'Mar. 17-21, ASTE, annual meeting, Chicago. Mar. 20, AIME, Philadelphia Section, Engineering Bldg., University of Pennsylvania, Philadelphia. Mar. 22-Apr. 6, Chicago International Trade Fair, Navy Pier, Chicago. Apr. 1, Society for Applied Spectroscopy, Socony-Vacuum Training Center, 63 Park Row, New York.

Jan 1, 1952

The Mining Journal Annual Review. The Mining Journal, London. $1.00, 200 pp., 1952.-Contains 70 specially contributed articles reporting on events in the metalliferous mining industry throughout the world during 1951. The articles are written from the standpoints of: Economics, world mining fields, progress reports on Empire mining companies, and British mining taxation. The review has appeared for a period of 20 years. Technical developments in mining, ore treatment, refining, and metallurgy are covered. Dun & Bradstreet Reference Book. Dun & Bradstreet Inc. 4000 pp., 1952. -Changes, brought about by the expanding economy, have been made for the three million listings for the United States and Canada. Planning for the changes started more than 10 years ago. New listings have been included for the metals and mining industries on all levels. The rapid development and specialization of industry have made the old symbols used in previous editions outmoded and a new system is substituted. Atlas of World Mineral Resources, . Edited by William Van Royen and Dr. Oliver Bowles. Prentice-Hall Inc. $10.75, 180 pp., 1952.-Scheduled for publication this fall, the book contains information that has never been published in map form before, as well as much that has not been presented in map form for many years. Facts on 29 minerals most important in world trade are dealt with, along with interpretation of all data available on each mineral, discussion of the world's mineral economy from viewpoint of specific minerals related to mineral exploration, geographical distribution of world's consumption, and appraisal of the adequacy of world's mineral resources.

Jan 1, 1952

Dec. 2, American Mining Congress, annual membership meeting, University Club, New York. Dec. 2, Society for Applied Spectroscopy, Socony-Vacuum Training Center, New York City. Dec. 4-6, AIME, Electric Steel Furnace Conference, Hotel William Penn, Pittsburgh. Dee. 5, Atlanta Meeting of Southeast Section, AIME, Ansley Hotel, Atlanta. Dec. 7-10, American Institute of Chemical Engineers, annual meeting, Hotels Cleveland and Carter, Cleveland. Dec. 8, AIME, Arizona Section, all-day meeting, Tucson. Jan. 6, 1953, Society for Applied Spectroscopy, Socony-Vacuum Training Center, New- York City. Jan. 14, 1953, AIME Connecticut Section, Hammond Metallurgical Laboratory, Yale University, New Haven, Conn. Jan. 14-16, 19th Annual Meeting of Society of Photogrammetry, Shoreham Hotel, Washington, D. C.

Jan 1, 1952

By N/A NONE

[Acker Drill Co., Inc 1091 Bauer Advertising, Inc. Allen-Sherman-Hoff Pump Co. Third Cover Dee Carlton Brown, Advertising Allis-Chalmers Mfg. Co. 1008, 1009 Compton Advertising, Inc. American Cyanamid Co. 1018, 1019 James J. McMahon, Inc. American Manganese Steel Div., American Brake Shoe Co. 1036 Fuller & Smith & Ross, Inc. Anaconda Copper Mining Co. 1033 Kenyon & Eckhardt Inc. Carlon Products Corp. * Penn and Hamaker, Inc. Chester Cable Corp. * George Homer Martin Associates]

Jan 1, 1952