A Description of the Manly Engine

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A Description of the Manly Engine

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A Description of the Manly Engine

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A Description of the Manly Engine

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A Description of the Manly Engine, Reprinted from Langley Memoir on Mechanical Flight, Smithsonian Contributions to Knowledge... Langley Memoir on Mechanical Flight. Part I. 1887 to 1896

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A Description of the Manly Engine

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A Description of the Manly Engines

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Langley Memoir on Mechanical Flight

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A Description of the Manly Engine

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A Description of the Manly Engine, Reprinted from Langley Memoir on Mechanical Flight, Smithsonian Contributions to Knowledge

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