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SOUTHERN CALIFORNIA LOCAL .SECTION Executive Committee SEELEY W. MUDD, Chairman C. COLCOCK JONES, Vice-Chairman. FREDERICK J. H. MERRILL, Secretary-Treasurer, 631 Higgins Bldg., Los Angeles, Cal. RALPH ARNOLD A. B. CARPENTER The Southern California Section, held a dinner and meeting at. the Sierra; Madre Club, Los Angeles, on Friday evening, Sept. 28, 1915, at which 21 members and guests-were present. The Vice-Chairman, C. Colcock Jones; presided, in the absence of the Chairman. The amendment' to the By-Laws providing for the increase of the Executive Committee from five to seven members, having been formally presented at the annual meeting of June 18, 1915, and duly announced for consideration at this meeting, was voted on and unanimously adopted. Prof. Robert H. Richards of the Massachusetts Institute of Technology; made a short address on the subject of ore concentration. The paper on the Geology and Ore Deposits of Mojave, County, Arizona, prepared by F. C. Shrader, was presented to the meeting by the Secretary and was discussed by Allen Burris and Dr. L. D. Godshall. F. J. H. MERRILL, Secretary.

Jan 11, 1915

SOUTHERN CALIFORNIA SECTION Executive Committee SEELEY W. MUDD, Chairman. C. COLCOCK JONES, Vice-Chairman. FREDERICK J. H. MERRILL, Secretary-Treasurer, 631 Higgins. Bldg., Los Angeles, Cal. RALPH ARNOLD A. B. CARPENTER A. B. W. HODGES WILLIAM F. STAUNTON The third meeting of this winter season tool: place in a private dining room of the Sierra Madre Club in Los Angeles on Feb. 1, 1916, at 6:30 p.m., 22 members and guests being present. In the absence of the Chairman, S. W. Mudd, the Vice-Chairman, C. Colcock Jones, presided. After an enjoyable dinner the meeting was called to order, and the first paper by Ralph Arnold on Conservation of Oil and Gas in the Americas was read by the Secretary. W. F. Staunton then read an important paper on The Influence of California Oil on the Mining Industry of the West. In this he touched upon the uses of oil as a fuel for generating power, especially in connection with the Diesel engine. This paper was discussed it some length by J. F. Mitchell-Roberts, R. B. Moran, F. H. Asbury and L. D. Godshall. The Chair then introduced Robert B. Moran of the California State Mining Bureau, Deputy Supervisor of Gas and Oil, for the' Los Angeles . District, who addressed the meeting on the work of his department. The meeting concluded with A. B. Carpenter's reading of a paper on The California Gasoline Industry by W. R.. Hamilton, Manager of the Ventura Refining Co. F. J. H. MERRILL, Secretary. ,

Jan 4, 1916

COLUMBIA SECTION Holds four sessions during year. Annual meeting in September or October. S. S. FOWLER, Chairman, J. C. HAAS, Vice-Chairman, LYNDON K. ARMSTRONG, Secretary-Treasurer, 720 Peyton Bldg., Spokane, Wash. W. H. LINNEY, J. F. MCCARTHY. A special meeting of the officers of the Columbia Section was held in Spokane, Wash., Jan. 10, 1918, for the purpose of organizing and nominating members to the principal committees of the Section. Present: J. C. Haas, Vice-chairman; W. H. Linney, Past Chairman; and L. K. Armstrong, Secretary. J. F. McCarthy, Wallace, Idaho, was appointed fifth member of the Executive Committee. The following were appointed to the Membership Committee: R. M. Betts; for Oregon; W. J. Hall, for Idaho; J. M. Porter, for Washington. A member for British Columbia will be appointed later. The following were appointed to the Committee on Papers: Prof. F. A. Thomson, Moscow, Idaho; Prof. L. 0. Howard, Pullman, Wash.; H. S. Lee, Rye Valley, Ore. A fourth member, representing British Columbia, is to be appointed later. The following members were appointed representatives on the Executive Committee of the Spokane Engineering and Technical Association: J. C. Haas, W. H. Linney, F. A. Ross, L. K. Armstrong. The Treasurer reported a deficit, resulting from the participation of the Section at the Northwest Mining Convention in 1916. It was recommended that the Institute be petitioned to make good this deficit, in addition to the usual annual allowance. The members of the committee who were present expressed their desire to be of greater service in the present war, and discussed at some length the possible means of carrying out their desires. It was later decided to reopen the subject at a subsequent meeting of the Section, or to present it to the Executive Committee of the Spokane Engineering and Technical Association for discussion and cooperative action. L. K. ARMSTRONG, Secretary.

Jan 3, 1918

NEW YORK SECTION Executive Committee, DAVID H. BROWNE, Chairman., JOHN H. JANEWAY, Vice-Chairman, F. E. PIERCE, Secretary, 35 Nassau St., New York, N. Y. P. A. MOSMAN, Treasurer, LEWIS W. FRANCIS, BENJAMIN B. LAWRENCE. At a meeting of the New York Section, held at the Machinery Club on Jan. 19, 1916, the topic, for the evening was The Problems of the Naval Consulting Board, on which board are four prominent members of the Institute. The speakers of the evening were W. L. Saunders, president of the Institute, Dr. L. H. Baekeland, and Commander A. B. Fry, chief of staff of the New York Naval Militia. After Chairman Browne had laid before the meeting certain business matters, he introduced President Saunders, who presided during the speech making and delivered the first speech. The letter from President Wilson to Mr. Saunders and the presidents of the other national engineering societies, inviting their cooperation in a scheme for mobilizing, as it were, the industrial capacity of this country, had just been made public (see a previous page of this Bulletin) and President Saunders described in considerable detail the origin, purposes, and scope, of the work to be undertaken in this direction. Each of the five national scientific societies is to select a representative from its resident members in every State of the Union, that is, the mining engineers will have 48 representatives, likewise the electrical engineers, the chemists, the civil engineers, and the mechanical engineers. Thus, there will be a representative body or board of five members in every State, one from each of the five societies or institutes. Each committee will investigate the manufacturing and producing possibilities in its own state, and will gather information as to the capacity of every industry which may be capable of supplying things that are needed for the sinews of war. Industrial preparedness means something more than mere capacity to make shells. The field covers food, clothing, hospital equipment, motors, animals, telephones, telegraph and railway accommodations, and a myriad of small details.

Jan 3, 1916

MONTANA SECTION J. L. BRUCE, Chairman W. C. SIDERFIN, Vice-Chairman WALTER E. GABY, Secretary-Treasurer, 834 W. Granite St., Butte, Mont. N. B. BRALY W. T. BURNS A special meeting of the Directors of the Montana Section was held on July 24, 1916, with W. C. Siderfin, Vice-Chairman, presiding. The meeting was called for the purpose of electing a Secretary-Treasurer to fill the, vacancy created by the resignation of M. H. Gidel. Upon proper motions, the resignation of M. H. Gidel was, accepted, and Walter E. Gaby was elected to fill the office for the balance of the fiscal year. No further business was transacted, and upon motion the meeting adjourned WALTER E. GABY, Secretary.

Jan 9, 1916

SAN FRANCISCO SECTION T. A. RICKARD, Chairman W. H. SHOCKLEY, Vice-Chairman C. E. GRUNSKY, JR., Secretary-Treasurer, 57 Post St., San Francisco, Cal. E. A. HERSAM H. W. YOUNG. A meeting of the San Francisco Section was held at the Engineers' Club of San Francisco on Mar. 28, 1916. Dr. Bailey Willis, Head of the Geological Department of Stanford University, read a paper on The Relation of the Major Structural . Features of the South American Continent to the Mineral Districts. Vice-Chairman Shockley interested the Section with an account of his experiences in South America. Discussion was participated in by C. F. Tolman, Jr., A. C. Lawson, Frank Probert, and E. A. Hersam. C. E. GRUNSKY, JR., Secretary.

Jan 5, 1916

Executive Committee. Louis D. HUNTOON, Chairman. ARTHUR S. DWIGHT, Vice- Chairman. E. MALTBY SHIPP, Treasurer. GEORGE F. KUNZ, HOMAS T. READ, Secretary. Woolworth Building, New York, N. Y. Meeting, May 2,1913. The Annual Meeting of the New York Section was held at the Engineering Societies Building, Friday evening. May 1913, at 8 p.m. Dr: Kunz presided. The Annual Report of the Secretary-Treasurer was read and accepted. Mr. Colvocoresses offered the following amendments to the By-Laws: ARTICLE II: First paragraph amended to read as follows: "The officers of this Section shall be. a Chairman, Vice-Chairman, Secretary, and Treasurer." In the second paragraph the word "four " to be changed to " five." ARTICLE V : The following paragraph to be inserted: ' The funds of this Section shall be received by the Treasurer, and shall be paid out only by check signed by the Treasurer, and in case of his absence or inability, the Chairman, Vice-Chairman, or the Secretary may act for the Treasurer." On motion duly seconded the amendments were adopted as read. The Nominating Committee, appointed by the Chairman, recommended the following men for officers : Chairman., Louis D. Huntoon ; Vice-Chair-man, Arthur S. Dwight; Secretary, Thomas T. Read, and Treasurer, E. Maltby Shipp. There being no other nominations, Mr. Rand moved that the Secretary be authorized to cast the vote for the members in favor of the men nominated. Motion carried. In reply to the circulars mailed regarding the summer outing the Secretary reported that 89 members approved and 9 did not approve of such an outing. The Chairman introduced Dr. M. Belowsky, of the University of Berlin, who addressed the meeting in German. Following Dr. Belowsky, the speaker of the evening, A. H. Fay; of the Bureau of Mines, discussed Metal Mine. Accidents.

Jan 6, 1913

BOSTON SECTION R. L. AGASSIZ, Chairman, - JAMES G. CARLETON, Vice-Chairman, E. E. BUGBEE, Sec.-Treas., Mass. Inst. of Technology, Cambridge, Mass. W. E. C. EUSTIS, G. A. PACKARD. The forty-fifth meeting of the Boston Section was held, at the Engineers' Club, on Tuesday, Nov. 6, 1917. Mr. F. C. Carstarphen, tramway engineer of the American Steel and Wire Co., was the guest of the evening. After dinner, Mr. Carstarphen gave a most interesting illustrated talk on the subject of aerial tramways. The views-showed the various forms of aerial tramways and three' unique installations, one carrying 285 tons of coal an hour, undoubtedly the maximum quantity transported by any tramway up to this time. The second installation is that of a lumber-carrying tramway, 5 miles long, operating in California. The last views illustrated a 13 ½ -mile tramway for carrying salt over the

Jan 2, 1918

Jan 1, 1965

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Jan 1, 1970

LOCAL SECTIONS (There are 60 Local Sections in the United States, 4 Foreign ) ADIRONDACK Established June 18, 1952 Paul W Allen, Chairman William Webb, Vice-Chairman Edwin Briggs, Secretary-Treasurer National Lead Company Mac Intyre Development Tahawus, New York Paul W Allen, Section Delegate R G Fleck, Alternate Section Delegate

Jan 1, 1954

LOCAL SECTIONS (There are 70 Local Sections in the United States, 6 Foreign) ADIRONDACK Established June 18, 1952 Meets fourth Saturday monthly, April through October A L Hall, Chairman Malcolm V Lowry, Vice-Chairman Charles Dievendorf, Secretary-Treasurer International Talc Co Gouverneur, N Y R J Grant Fleck, '58, Section Delegate M V Lowry, '58, Alternate Section Delegate

Jan 1, 1957

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Jan 1, 1957

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Jan 1, 1958

(There are 82 Local Sections in the United States, 10 Foreign) ADIRONDACK Established June 18, 1952 Official year begins in January Meets next to last Saturday monthly April through October Local Section Dues AIME Mbrs $2 Affiliate Mbrs $3 Severn P Brown, Chairman George E Erdman, Vice-Chairman Patrick F Farrell, Secretary-Treasurer Republic Steel Corp Mineville, N Y

Jan 1, 1960

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Jan 1, 1960

By Ryan Lemmon

Belt turnovers are commonly used in conveyors to rotate the belt so that the clean side of the belt contacts the return idlers. The belt turnover length has traditionally been sized on only the twisting stresses. However, belt turnovers are also subjected to bending stresses due to the weight of the belt. Although bending stresses have in the past been ignored, these stresses are significant and should not be neglected. This paper quantifies and presents a method for calculated twisting and bending stresses and also the belt sag.

Jan 1, 2002