The Greenpoint Monitor Museum "Road Show" P.S. 31 Samuel F. Dupont School March 24, 2006 At the beginning of the Civil War the US Navy used wooden sailing ships. They depended on the wind and their sails.

The Greenpoint Monitor Museum "Road Show" P.S. 31 Samuel F. Dupont School March 24, 2006

At the beginning of the Civil War the US Navy used wooden sailing ships. They depended on the wind and their sails.

At the beginning of the Civil War the US Navy used wooden sailing ships. They depended on the wind and their sails.

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