THE EVOLUTION OF THE FLYING MACHINE: BALLOON - AIRSHIP - AEROPLANE
By Harry Harper

David McKay Co.  No publication date, listed, dedication page states 1930.

Hardcover. Purple cloth boards with title on sun faded spine. Light soil and edge wear. Foxed fore edges. Light foxing to endpapers and title page. Text pages are clean. 

Always carefully wrapped and shipped in cardboard boxes to protect your purchase.

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