Browsing named entities in The Daily Dispatch: May 6, 1862., [Electronic resource]. You can also browse the collection for April 20th or search for April 20th in all documents.

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Revolving steel and iron forts. --We clip the following from the Philadelphia Sunday Transcript of April 20: There has been on exhibition for several days in the Treasury building, Washington, one of the most remarkable works of inventive genius which has ever come under our observation. It is nineteen years since Timbey's revolving steel or iron batteries were invented, models made, and all the details laid before our Government; and, it is eight years since they were communicated to the French Government. The present model was finished in December last, and is of itself a beautiful and demonstrative exhibition of the manner that harbor and other defensive positions must, before long be fortified, and thus rendered impassible to any foreign foe. The vertical sides are pierced for sixty guns of any desirable calibre, and range of shot or shell arranged in three tiers, and presenting the guns to the object singly; that is, but one "port" in line of sight at a time. The w