Science: Rotoring

The strange ship Baden-Baden, with a black ball at her masthead to show she is a sailing vessel but with no canvas to prove it, moved in and out of New York harbor last week with distinguished company aboard. Inventor Herr Anton Flettner of Kiel, Germany, explained as best he could to Inventor John Hays Hammond Jr., Manufacturer Walter P. Chrysler, Naval Architect Frederick Hoyt, Yachtsman Caleb Bragg, Shipbuilder Homer L. Ferguson, Financiers E. T. Irving, Harold Vanderbilt, Percy Rockefeller, and many another, what it was that drove the ship, whose Diesel motors lay idle, past harbor tugs, slow tramps and...

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