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"7-inch Armstrong Breech-loader." — Encyclopedia Britannica, 1893

Armstrong Breech-loader

"7-inch Armstrong Breech-loader." — Encyclopedia Britannica, 1893

John Armstrong was an American civil engineer and soldier who served as a major general in the Revolutionary War. He was a delegate to the Continental Congress for Pennsylvania.

John Armstrong

John Armstrong was an American civil engineer and soldier who served as a major general in the Revolutionary…