Excellent
20,921 reviews
Excellent
20,921 reviews
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Aviation It's Principles, It's Present and Future Sydney Walker has 100 pages Contents; I.HISTORICAL II. THE BALLOON AND THE DIRIGIBLE III. THE GLIDER IV. THE AEROPLANE V. THE AEROPLANE ENGINE VI. THE PROPELLER VII. LANDING APPARATUS, OR CHASSIS VIII. OPERATING AN AEROPLANE IX. THE PROBLEM OF STABILITY X. GENERAL INFORMATION INDEX.