Description1911 Britannica - Harveyized Shield.png
English: Harveyized shield, 4.5 inches thick, on 6-inch pedestal mount, after attack by 5-inch and 6-inch capped armour-piercing shot. Probably a US Army 6-inch M1900 coast defense gun on the M1900 pedestal mount. Illustration from 1911 Encyclopædia Britannica, article Armour Plates.
This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.
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