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A Progress Report of The Engineering Foundation, which is a history of the Foundation and a report of its activities, has been printed. A limited number may be obtained by members of the Institute by writing to the office of the Institute or to the Secretary of the Foundation.

Jan 11, 1919

Section 67 Department of Conservation and Development, State of New Jersey, State House Annex, Trenton, N. J. H B Kummel, State Geologist For lists of publications, maps and geologic folios, address the above. Where price of postage is noted, in the following list of available publications on geology, the postage is only to New Jersey and

Jan 1, 1933

By T. Sterry Hunt

In a paper presented to the Institute in 1881* I have discussed at some length the question of the " Hydrometallurgy of Copper," and among others, have noticed two methods, devised and patented by Mr. James Douglas and myself, for the extraction of copper

Jan 1, 1888

By Stanley C. Suboleski, J. Richard Lucas

Simulator I, a program to simulate production in room and pillar mining systems containing up to six face operations, was developed at Virginia Polytechnic Institute under sponsorship of the Office of Coal Research. Since its inception, several hundred analyses have been run, with over thirty companies using the program. This paper describes the simulation technique used in this program, the output achieved from an analysis, and reviews the experience gained in working with Simulator I.

Jan 1, 1969

CENTRAL EMERGENCY COMMITTEE Chairman, MRS. H. N. SPICER As no further requisition will be Made for knitted garments, for the boys of the 27th Engineers, all completed garments and wool have been collected and returned to Mr. W. R. Ingalls, and the activities of the

Jan 12, 1918

Papers presented at two joint meetings of the Mineral Industry Education Division, Geophysics Committee, the American Geophysical Union and the Committee on College Curricula of the American Association of Petroleum Geologists, at the A I M E meeting in New York on Feb 17 and 18, 1941 At the first meeting, the Musing Geology Committee, the Society of Economic Geologists and the Committee on Applications of Geology of the American Association of Petroleum Geologists also took part [ ]

Jan 1, 1941

E. O?C. Acker Jinzoc Adachi Truman H. Aldrich Walter H. Aldridge Anson W. Allen John H. Allen William R. Appleby W. Lawrence Austin W. S. Ayres David Baker John Henry Banks Henry C. Banon Alonzo F. Bardwell Wm de L. Benedict Robert Bentley Andrew A Blair Walter M. Brodie Elwin F. Brown Fredrick Burbidge H.H. Burden Charles Butters

Jan 1, 1942

[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

MINING ASSOCIATION, UNIVERSITY OF CALIFORNIA At a meeting of the Mining Association of the University of California, held Feb. 12, officers for the present semester were elected as follows: President, Richard C. Kerr, '19; vice-president, Glen T. O'Brien, '20; secretary, Kenneth V. King, '19; treasurer, Sam Grinsfelder, '20. KENNETH V. KING, Secretary.

Jan 4, 1919

For the convenience of members who may be traveling from place to place, the Secretary has compiled a list of libraries or other places in the United States and foreign countries where MINING AND METALLURGY or the Transactions may be consulted. This list will be sent to members if they so request. LIST OF THE MEETINGS OF THE INSTITUTE AND THEIR LOCALITIES FROM ITS ORGANIZATION TO MARCH, 1920 [ ]

Jan 1, 1925

By W. J. Croft, R. J. Arnott

A series of commercial titanium diboride powders have been characterized in terms of X-ray crystallography, composition, particle size distribution, and particle shape. These materials were used in sintering experiments from which the effect of impurities on the sintering temperature was observed. Transmission electron microscopic observations have been made on Ion milled and chemically milled hot pressed material. Dislocations have been observed as well as grain boundary phases. Limited bonding between grains seems to account for poor mechanical properties. Observations have been made of preferred crystallographic orientation in hot pressed material.

Jan 1, 1985

SECTION I Page Page Manuscript Closing Date, Febru- Forthcoming Meetings xxvii ary Meeting v . Library xxviii New York Section War Meeting on Membership xxxii Ferro-Alloys v Biographical Notices: Minutes of Meeting, Board of Robert Bell, by F. D. Adams. xlix Directors xvii H. J. Cantwell, by H. A. Members in Military Service xviii Wheeler 1 Personal xxiii Institute Committees Iii Employment xxv Officers and Directors Ix

Jan 11, 1917

The Institute has no available copies of Bulletin No. 7, January, 1906, and Bulletin No. 105, September, 191.5. The sum of 30.50 per copy will be paid for these Bulletins.

Jan 6, 1917

MANY kinds of marcasite* are found since every metallic mineral, and perhaps some of the semiminerals, produces its own. I believe that [28v] rnarcasites are nothing other than the secondary materials and the menses of the conception of metals which, through insufficient time, have yet to arrive at their perfect age; and thus, because of

Jan 1, 1942

A Little Book on the Assaying of Gold, Silver, Copper, and Lead. Also on How to Assay and Work profitably All Minds of Metal. Complied with great care for the benefit of all mintmasters, assay masters, gold= smiths, miners, and dealers in metals.

Jan 1, 1949

THE annual meeting of the Institute was held at the Office of the Secretary on Tuesday, May 23d. President Holley appointed Messrs. J. C. Kent and Frank Firmstone scrutineers to examine the ballots of the Institute. The following were declared elected: President-ABRAM S. HEWITT. Vice-Presidents-W. P. BLAKE, E. B. (AXE, R. W. RAYMOND. Managers-R. W. HUNT, J. S. NEWBERRY, T. F. WITHERBEE. Treasurer-T. D. RAND. Secretary-T. M. DROWN. The meeting was then adjourned to June 20th. The adjourned meeting to be held in Philadelphia.

Jan 1, 1877

Jan 1, 1884

In accordance with the provision of the Constitution, notice is here given to all Members, Associates, and Junior Members, that the clues of the year 1918 will be payable on Jan. 1. 191.8, at the office of the Secretary. The dues for Members and Associates are $12 per year and the sum of 83 additional is asked of those Members and Associates who desire to have the three volumes bound in the Institute's standard half morocco binding. The dues of Junior Members are $5 per year.

Jan 12, 1917

(Under this heading will he published notes sent to the Secretary of the Institute by members or other persons introduced by members.) Member, mining engineer, technical education with 9 years' varied experience as superintendent and operating engineer, desires position with mining or manufacturing company requiring the services

Jan 3, 1918

By R. W. Raymond

HAVING had recently the opportunity of examining a transit and a plummet-lamp, manufactured by Messrs. Heller & Brightly, of Philadelphia, and intended for the use of mining engineers in under