div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=uslhsorg-first-of-the-modern-fresnel-lenses-was-made-in-1842-it-was-a-fixedhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: uslhsorgfirst of the modern Fresnel lenses was made in 1842 It was a fixed 3rd Order lens and installed in the Gravelines Lighthouse of France The following year a 1st Order loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=uslhsorg-first-of-the-modern-fresnel-lenses-was-made-in-1842-it-was-a-fixedhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: uslhsorgfirst of the modern Fresnel lenses was made in 1842 It was a fixed 3rd Order lens and installed in the Gravelines Lighthouse of France The following year a 1st Order loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=uslhsorg-first-of-the-modern-fresnel-lenses-was-made-in-1842-it-was-a-fixedhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: uslhsorgfirst of the modern Fresnel lenses was made in 1842 It was a fixed 3rd Order lens and installed in the Gravelines Lighthouse of France The following year a 1st Order loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails3jpg width=140 height=200 divdivdiv 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Gravelines Lighthouse of France The following year a 1st Order loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=uslhsorg-first-of-the-modern-fresnel-lenses-was-made-in-1842-it-was-a-fixedhtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: uslhsorgfirst of the modern Fresnel lenses was made in 1842 It was a fixed 3rd Order lens and installed in the Gravelines Lighthouse of France The following year a 1st Order loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails6jpg width=140 height=200 divdivdiv 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Gravelines Lighthouse of France The following year a 1st Order loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails8jpg width=140 height=200 divdiv
