Image: Boulton aileron patent, No. 392, 1868 - Drawing Figs. 5-7
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Description: Boulton aileron patent, No. 392, 1868 - Attached drawing sheet, Figs. 5-7
Title: Boulton aileron patent, No. 392, 1868 - Drawing Figs. 5-7
Credit: "Specification of Matthew Piers Watt Boulton : A.D. 1868, 5th February. No 392. : Aärial Locomotion &c.", London: Great Seal Patent Office, printed by George E. Eyre and William Spottiswoode, 1868.
Author: Matthew Piers Watt Boulton
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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