div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader040fdocumentpubreader040viewer20220119125f99f040ea9eb014080c3f1dhtml5page1jpg target=_blank img data-url=documentpearson-scott-2011-09-23-called-them-multiplanes-others-tried-to-copy-the-wayhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Pearson Scott Foresman · 2011-09-23 · called them multiplanes Others tried to copy the way birds fly Edward Purkis Frost believed ornithopters aircraft with flapping wings loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentpubreader040viewer20220119125f99f040ea9eb014080c3f1dhtml5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader040fdocumentpubreader040viewer20220119125f99f040ea9eb014080c3f1dhtml5page2jpg target=_blank img data-url=documentpearson-scott-2011-09-23-called-them-multiplanes-others-tried-to-copy-the-wayhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Pearson Scott Foresman · 2011-09-23 · called them multiplanes Others tried to copy the way birds fly Edward Purkis Frost believed ornithopters aircraft with flapping wings loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader040fdocumentpubreader040viewer20220119125f99f040ea9eb014080c3f1dhtml5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader040fdocumentpubreader040viewer20220119125f99f040ea9eb014080c3f1dhtml5page3jpg target=_blank img data-url=documentpearson-scott-2011-09-23-called-them-multiplanes-others-tried-to-copy-the-wayhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Pearson Scott Foresman · 2011-09-23 · called...