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Aviation History
1921
1921 - 0112.PDF
:•.« -•'"•: •:•;•'.*.. >-• -•';••/ A '\- I'KBRI:ARY 17, 1921 ••:.. . '/ SPERRY 'MESSENGER' BIPLANE GO t~P LAWRENCE ENGINE SCQ/« m AREA OF MAIN PLANES " " AILERONS " . » TAIL PLANE " " ELEVATORS 152 Sq 19 Sq lg'3 5 9 Sq. Fr. 2 5 5q.Fr 5 3 5q.rt THE SPERRY " MESSENGER " BIPLANE : Plan, side and front elevations to scale. ^ • 112 •":
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