div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a-cosmic-cyclotron-as-a-cosmic-ray-generatorhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A Cosmic Cyclotron as a Cosmic Ray Generator loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader038vdocumentinreader038viewer2022100502575067d71a28ab0f07ad66dfhtml5thumbnails1jpg width=140 height=200 divp© 1936 Nature Publishing Grouppdiv