div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=electro-magnetshtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Electro-Magnets loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentinreader035viewer2022081823575067a11a28ab0f07ac6bf7html5thumbnails1jpg width=140 height=200 divp© 1901 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=electro-magnetshtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: Electro-Magnets loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentinreader035viewer2022081823575067a11a28ab0f07ac6bf7html5thumbnails2jpg width=140 height=200 divp© 1901 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=electro-magnetshtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: Electro-Magnets loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentinreader035viewer2022081823575067a11a28ab0f07ac6bf7html5thumbnails3jpg width=140 height=200 divp© 1901 Nature Publishing Grouppdiv