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The ladle is then transferred by rail to the fluid com pression plant* where the steel is compressed or run into the moulds for which the metal has been intended.
The sizes of the ladles are governed by the capacity of the furnaces and the class of work for which the steel is to be used. Of heavy iron construction they are lined with a refractory mixture and pierced in two places in the bottom for the insertion of fire-brick nozzles, through which the metal runs into the moulds. Into these nozzles clay-plum bago stoppers are fitted and attached to heavy rods which extend upward and out over the side of the ladle to the levers or other attachments provided for lifting and con trolling them. The device shown in the view* is a simple and effective one.
The moulds are of steel, iron, brick, or sand, and are of dimensions and shapes suited to the purpose for which the ingot or casting is to be used.
Bethlehem has four open-hearth melting furnaces, of the respective capacities of fifteen, thirteen, and two forty tons.
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Present Development of Heavy Ordnance in the United States (Classic Reprint)
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Paperback. Zustand: New. Print on Demand. This book, delivered as a lecture to the Franklin Institute in 1893, explores the development of heavy ordnance in the United States during a critical period of industrial and military advancement. The author, a prominent ordnance engineer of the time, provides a detailed account of the manufacturing processes, materials science, and engineering principles behind the construction of powerful guns. He delves into the shift from muzzle-loading to breech-loading mechanisms, the rise of steel as the dominant material for gun construction, and the burgeoning use of new, smokeless powders. Throughout the book, the author compares American innovations to the developments of other nations, particularly those of Great Britain and France, highlighting the competitive nature of the arms race at the time. The book's examination of the technical challenges and triumphs in the creation of heavy ordnance offers a fascinating glimpse into the intersection of scientific progress, industrial ingenuity, and military ambition during the late 19th century, revealing the complex interplay of technological evolution and national rivalry. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Bestandsnummer des Verkäufers 9781331689140_0
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