2 complete issue of SCIENTIFIC AMERICAN SUPPLEMENT-with WRIGHT BROTHERS reports-----------OCT. 31, 1908 with a detailed 2 1/2 page photo-illustrated report--THE WRIGHT BROTHERWS AEROPLANE- IT'S CONSTRUCTION- IT HAS FLOWN FOR OVER AN HOUR IN A 10 MILES BREEZE- HAS ATTAINED A HEIGHT OF 300 FEET AND A SPEED OF OVER 40 MILES PER HOUR--------removed from a bound volume- there is minor edge wear to the spine edge-------2 pages following the report- but not affecting the report are torn-----with very minor blemishes and wear overall-----otherwise a tight, clean, compete issue in very good condition----------------ALSO---------DEC. 9, 1911-----with a 2 page illustrated report-------THE WRIGHT BIPLANE- MODEL B- AND A HISTORICAL SKETCH OF ITS DEVELOPMENT---------removed from a bound volume- there is minor edge wear to the spine edge-----with a perforated library stamp on the front cover---------with minor blemishes and wear overall-------otherwise a complete issue in very good condition----------U.S. SHIPPING $6.00