div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=x-ray-irradiation-of-cellulose-acetatehtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: X-Ray Irradiation of Cellulose Acetate loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentinreader030viewer2022020312575067f61a28ab0f07adf2dahtml5thumbnails1jpg width=140 height=200 divp© 1950 Nature Publishing Grouppdiv