Special to The New York Times. This is a digitized version of an article from The Times’s print archive, before the start of online publication in 1996. To preserve these articles as they originally ...

LARGE-SCALE trials recently carried out on open-hearth furnaces 1 emphasize the need for more fundamental knowledge of the flow of fuel, air and combustion products through the furnace chamber. To ...

Most U.S. steel is made in massive, slow-acting, open-hearth furnaces. Last week U.S. Steel Corp. announced tests of a new type of furnace which makes the same kinds of steel a great deal faster. Open ...

THE first part of the joint meeting of the Iron and Steel Institute and the Society of Engineers and Metallurgists, held at Sheffield on May 19, was devoted to basic refractories, with particular ...

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