div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=-photographed-with-a-graflex-camera-with-f-45-lens-using-either-orthochromatichtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: masspecscrippseduphotographed with a Graflex camera with f :45 lens using either orthochromatic or panchromatic film The sweep calibrator trlpped the pulse generator and also loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220419165e69bd5d058f4108136fde1ahtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=-photographed-with-a-graflex-camera-with-f-45-lens-using-either-orthochromatichtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: masspecscrippseduphotographed with a Graflex camera with f :45 lens using either orthochromatic or panchromatic film The sweep calibrator trlpped the pulse generator and also loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220419165e69bd5d058f4108136fde1ahtml5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=-photographed-with-a-graflex-camera-with-f-45-lens-using-either-orthochromatichtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: masspecscrippseduphotographed with a Graflex camera with f :45 lens using either orthochromatic or panchromatic film The sweep calibrator trlpped the pulse generator and also loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsusreader033viewer20220419165e69bd5d058f4108136fde1ahtml5thumbnails3jpg width=140 height=200 divdiv