div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=the-pigment-trichosiderin-from-human-red-hairhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: The Pigment Trichosiderin from Human Red Hair loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer2022020522575068061a28ab0f07ae40a5html5thumbnails1jpg width=140 height=200 divp© 1956 Nature Publishing Grouppdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=the-pigment-trichosiderin-from-human-red-hairhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: The Pigment Trichosiderin from Human Red Hair loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsusreader030viewer2022020522575068061a28ab0f07ae40a5html5thumbnails2jpg width=140 height=200 divp© 1956 Nature Publishing Grouppdiv