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Jan 1, 1932

Jan 1, 1913

Jan 1, 1890

Jan 1, 1944

Jan 1, 1892

New Products Equipment

Jan 3, 1953

By Charles F. Manness

In the great increase of product which has been accomplished in the American Bessemer plant, through improvements in machinery and refractories, and by more perfect skills in their manipulation

Jan 1, 1881

By Charles F. Manness

In the great increase of product which has been accomplished in the American Bessemer plant, through improvements in machinery and refractories, and by more perfect skill in their manipulation,

Jan 1, 1881

[University or College Alabama, University of, University, Ala. California University of Berkeley Cal Carnegie inst. of Technology Pittsburgh Pa. Case School of Applied science, Cleveland, Ohio Colorado School of Mines Columbia University New York City Harvard University, Cambridge. Mass.]

Jan 1, 1928

A Report Of Current Activity In The Industry

Jan 7, 1951

Congress has authorized the President to control the supply and distribution of the following: Antimony, arsenic, ball clay, bismuth, bromine, cerium, chalk, chromium, cobalt, corundum, emery, fluorspar, ferrosilicon, fullers' earth, graphite, grinding pebbles, iridium, kaolin, magnesite, manganese, mercury, mica, molybdenum, osmium, sodium, platinum, palladium, paper clay, phosphorus, potassium, pyrites, radium,

Jan 12, 1918

Schedule of Events

Jan 8, 1950

Jan 1, 1947

By Wm. Metcalf

One point of vital importance has not been touched upon this evening; it is the necessity of having a history of the mode of

Jan 1, 1882

By R. W. Heckel

It has been shown previously that the effect of applied pressure on the density of a metal powder may be expressed by a relationship of the form:

Jan 1, 1962

Jan 1, 1938

Jan 1, 1935