div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb 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 src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb 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 src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 3button div class=ts-image amp-img class=ts-thumb 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 src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 4button div class=ts-image amp-img class=ts-thumb alt=Page 4: 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 src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 5button div class=ts-image amp-img class=ts-thumb alt=Page 5: 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 src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails5jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 6button div class=ts-image amp-img class=ts-thumb 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 src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails6jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 7button div class=ts-image amp-img class=ts-thumb alt=Page 7: 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 src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails7jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 8button div class=ts-image amp-img class=ts-thumb alt=Page 8: 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 src=https:reader036vdocumentsusreader036viewer20220814055f0bd27e7e708231d4326242html5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdiv