div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentbarrettbmaterialscamobsslideshowpdf-the-idea-of-the-camera-the-camera-obscurahtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Websterbarrettbmaterialscamobsslideshowpdf · The Idea of the Camera The Camera Obscura and the Journey to Photography Bill Barrett Webster University St Louis loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnetreader035viewer202207121560464b6ebbbd9910bd5cc1b4html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentbarrettbmaterialscamobsslideshowpdf-the-idea-of-the-camera-the-camera-obscurahtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Websterbarrettbmaterialscamobsslideshowpdf · The Idea of the Camera The Camera Obscura and the Journey to Photography Bill Barrett Webster University St Louis loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnetreader035viewer202207121560464b6ebbbd9910bd5cc1b4html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentbarrettbmaterialscamobsslideshowpdf-the-idea-of-the-camera-the-camera-obscurahtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: Websterbarrettbmaterialscamobsslideshowpdf · The Idea of the Camera The Camera Obscura and the Journey to Photography Bill Barrett Webster University St Louis loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader035fdocumentsnetreader035viewer202207121560464b6ebbbd9910bd5cc1b4html5thumbnails3jpg width=140...