File:History of the manufacture of armor plate for the United States navy (1899) (14779920074).jpg

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Captions

Captions

Lifting a 90 ton Armor Plate ingot from casting pit. Homestead Works, Armor Plate Department.

Summary[edit]

Description
English:

Identifier: historyofmanufac00amer (find matches)
Title: History of the manufacture of armor plate for the United States navy
Year: 1899 (1890s)
Authors: American Iron and Steel Association, comp
Subjects: United States. Navy Armor-plate
Publisher: Philadelphia, American Iron and Steel Association
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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Text Appearing Before Image:
-tons. Second round 1,964 feet per second. 6,687 foot-tons. Third round 2,039 feet per second. 7,208 foot-tons. All the projectiles were completely shattered, the points of all three being welded into the plate. There were absolutely no cracks what-ever, and the penetration was very slight. As a comparison a plate 9 inches in thickness, manufactured by theHarvey process, which is 0.2 inch thicker than the above Krupp plate,representing the turret armor for the United States battleships Kearsarge and Kentucky, was tested at the Indian Head proving grounds, with the following results, the projectile used being an 8-inch Wheeler-Sterling armor piercing: Striking velocity, 1,734 feet per second; striking energy, 5,217 foot-tons; penetration, 4.5 inches. This is the best Harveyized plate of this thickness of which there is any record, yet it will be readily seen how much inferior it isto the above mentioned Krupp plate. o r I—I I—I 00 > 00 NO o I O 2 o 00 > O ■Td O r> w OO m O ^
Text Appearing After Image:
Lifting a 90 ton Armor Plate ingot from casting pit. Homestead Works, Armor Plate Department.

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https://www.flickr.com/photos/internetarchivebookimages/14779920074/

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(Reusing this file)		 At the time of upload, the image license was automatically confirmed using the Flickr API. For more information see Flickr API detail.
Flickr tags
InfoField
  • bookid:historyofmanufac00amer
  • bookyear:1899
  • bookdecade:1890
  • bookcentury:1800
  • bookauthor:American_Iron_and_Steel_Association__comp
  • booksubject:United_States__Navy
  • booksubject:Armor_plate
  • bookpublisher:Philadelphia__American_Iron_and_Steel_Association
  • bookcontributor:The_Library_of_Congress
  • booksponsor:The_Library_of_Congress
  • bookleafnumber:142
  • bookcollection:library_of_congress
  • bookcollection:americana
Flickr posted date
InfoField
30 July 2014

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26 October 2015

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current12:03, 19 September 2016Thumbnail for version as of 12:03, 19 September 20162,642 × 1,952 (689 KB)SteinsplitterBot (talk | contribs)Bot: Image rotated by 270°
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