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campaign. In her forthcoming voyage she will carry two complete motive systems, in-creasing her speed if both are used together, and leaving her still an effective ship if one system should be put out of use by accident. 
The "America" is the second largest air-ship yet built, exceeded only by the Zeppelin.
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ONE OF THE TWIN STEEL SCREWS OF THE "AMERICA"-DIAMETER OF BLADES, 11 FEET-CHIEF ENGINEER VANIMAN.
She is twice the size of the excellent ships built by the Engineer Julliot for the French army-La Patrie and La Republique-and thirteen times larger than the Baldwin ship purchased by the United States government. The "America" is 184 feet in length; great-est diameter, 52 feet; volume, 258,500 cubic feet; total lifting force, at sea level, 19.000 pounds; weight of triple-tissue, caoutchouc-coated balloon-envelope, 3,600 pounds;

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