Langley, Samuel Pierpont. Secretary, Smithsonian Institute. Experimental

Langley, Samuel Pierpont.

Langley, Samuel Pierpont. Secretary, Smithsonian Institute.

You are looking at a one-of-a-kind photograph of Langley, Samuel Pierpont. Secretary, Smithsonian Institute. Experimental Tandem Biplane On Potomac Embodying Langley Principles. It was made in 1917 by Harris & Ewing.

The photo illustrates Langley, Samuel Pierpont. Secretary, Smithsonian Institute. Experimental Tandem Biplane On Potomac Embodying Langley Principles.

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Image ID# 619D9112

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