div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=petrel-scale-soaring-13-petrelalas-non-were-forthcoming-but-in-the-processhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: petrel - Scale Soaring 13 PetrelAlas non were forthcoming but in the process I took a Closer look this machine via the pages of Martin Simon S excellent book on Slingsby Sailplanes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304185aa47f657f8b9a7c1a8c3742html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=petrel-scale-soaring-13-petrelalas-non-were-forthcoming-but-in-the-processhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: petrel - Scale Soaring 13 PetrelAlas non were forthcoming but in the process I took a Closer look this machine via the pages of Martin Simon S excellent book on Slingsby Sailplanes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304185aa47f657f8b9a7c1a8c3742html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=petrel-scale-soaring-13-petrelalas-non-were-forthcoming-but-in-the-processhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: petrel - Scale Soaring 13 PetrelAlas non were forthcoming but in the process I took a Closer look this machine via the pages of Martin Simon S excellent book on Slingsby Sailplanes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304185aa47f657f8b9a7c1a8c3742html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=petrel-scale-soaring-13-petrelalas-non-were-forthcoming-but-in-the-processhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: petrel - Scale Soaring 13 PetrelAlas non were forthcoming but in the process I took a Closer look this machine via the pages of Martin Simon S excellent book on Slingsby Sailplanes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304185aa47f657f8b9a7c1a8c3742html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=petrel-scale-soaring-13-petrelalas-non-were-forthcoming-but-in-the-processhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: petrel - Scale Soaring 13 PetrelAlas non were forthcoming but in the process I took a Closer look this machine via the pages of Martin Simon S excellent book on Slingsby Sailplanes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304185aa47f657f8b9a7c1a8c3742html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=petrel-scale-soaring-13-petrelalas-non-were-forthcoming-but-in-the-processhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: petrel - Scale Soaring 13 PetrelAlas non were forthcoming but in the process I took a Closer look this machine via the pages of Martin Simon S excellent book on Slingsby Sailplanes loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentinreader031viewer20220304185aa47f657f8b9a7c1a8c3742html5thumbnails6jpg width=140 height=200 divdiv