JULY 1, 1920 PRICE 25 CENTS AND AERONAUTICAL ENGINEERING … The Domier R4 Giant Seaplane Resting on its Handling Trurk U. S. Artny Air Service Photo SPECIAL FEATURES Three VOLUME VIII Dollars Number 11 LIABILITY TO IGNITION OF BALLOON FABRICS a Year THE DORNIER GIANT SEAPLANES APPROXIMATING BENDING MOMENTS IN AIR PROPELLERS AERONAUTIC INSTRUMENTS SOME…
Aviation Week
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