Engineering Theory Of The Autogiro


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by Juan de la Cierva

BRAND NEW! Yet not so new.
Original manual published in house only by the Pitcairn Cierva Autogiro Company of America in Philadelphia, PA in 1931. Very technical and historic. Shows that Cierva was a real engineer and pioneer. 200 pages with many original graphs and charts by Cierva. No computer programs