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There are no authentic records of production prior to 1869, although various records report local production and use in 1853 and 1860. Tonnages in Table 68 for the years 1853-1868, both inclusive, are estimated. [ ]

Jan 1, 1942

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Jan 1, 1907

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Jan 1, 1907

New Products Equipment

Jan 6, 1951

Jan 1, 1971

By A. Eilers

I PRESENT herewith, for the inspection of the members of the Institute, a specimen of coke, made in gas-retorts from the lignite of Trinidad, Colorado.

Jan 1, 1874

[Executive E. DEGOLYER, Chairman SYDNEY H. BALL WILLIAM H. Bassett RICHARD PETERS, JR. J. V. W. REYNDERS Finance GEORGE D. BARRON, Chairman H. A. GUESS GEORGE OTIS SMITH]

Jan 1, 1928

By A. Eilers

I present herewith, for the inspection of the members of the Institute, a specimen of coke, made in gas-retorts from the lignite of Trinidad, Colorado.

UNITED ENGINEERING TRUSTEES, INC James L Head, '51 E C Meagher, '52 Gail F Moulton, '53 ADVISORY COMMITTEE TO REAL ESTATE COMMITTEE Cleveland Dodge Herbert Hoover Paul D Merica HOOVER MEDAL BOARD OF AWARD Scott Turner, '56, Chairman Cadwallader Evans, Jr , '52 Paul D Merica, '54

Jan 1, 1951

[Year of Election . 1944 .WALTER HULL ALDRIDGE New York. N. Y 1944 . SELWPN GWILLYM BLAYLOCK Trail. B.C.. Canada]

Jan 1, 1946

The amendment to Article III, Section 1, of the Constitution, raising the dues from $10 to $12 a year commencing in 1917, which was submitted to the members for letter ballot, was passed by a vote of 1,039 to 401.

Jan 4, 1916

By Robert Glass Cleland

[NUMBER OF STOCKHOLDERS AT END OF YEAR NUMBER OF EMPLOYEES AT END OF YEAR DOLLAR VOLUME OF BUSINESS Number of Number of Dollar stockholders employees volume Year at end of year at end of year of business 1909 133 7,000 $ 25,000,000 1917 535 8,800 62,262,000]

Jan 1, 1952

The following list contains the names of members of whose deaths notices have been printed in MINING AND METALLURGY during the year ending April 1, 1939. Biographical sketches published in MINING AND METALLURGY are indicated in the last two columns.

Jan 1, 1939

Jan 1, 1928

[TRANSACTIONS Indexes to Vols. 1-35, 36-55, 56-72, 73-117 (set of 4 Indexes). DIVISIONAL TRABSACTIONS AND SPECIAL EDITIONS Coal Division Volume, 1930, 1931, 1932, 1934, 1936, 1938, 1940, 1942, 1944. Institute of Metals Division Volume, one each year 1927-1945.]

Jan 1, 1946

[E. O'C. Acker '86 Jinzoc Adachi ‘88 *Truman H. Aldrich '78 Walter H. Aldridge '89 Anson W. Allen ‘87 *John H. Allen '84 William R. Appleby '90 *W. Lawrence Austin '82 *W. SAyres ‘73 David Baker '86 *John Henry Banks .83 Henry C.Banon '90 Alonzo F.. Bardwell '89 Walter A. Barrows ‘90]

Jan 1, 1940

In Table 47, tonnages shown before 1869 are estimated. After that time they are partly estimated from the total tonnage handled by the Allegheny Valley Railroad from four counties, of which this was one. Several reports to state authorities give a few figures, all probably very low, as is shown by the return in 1880 to the Secretary of Internal Affairs. [ ]

Jan 1, 1942

By C. A. Stetefeldt

In my paper on "The Refining of Sulphides Obtained in the Lixiviation-Process with Hyposulphite Solutions," read at Cleveland, June, 1891 (Trans., xx., 37), I recommended the Roessler converter

Jan 1, 1893

Samuel Thomas Wellman, of Cleveland, Ohio, prominent in the iron industry on the Great Lakes, died suddenly of heart disease at Kennebago, Me., July 11. He was on his way to the camps of the Megantic Fish and Game Association .of which he was a member, when stricken. He was one of the founders and directors of the Wellman-Seaver-Morgan Co., of Cleveland.

Jan 9, 1919