div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails1jpg 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: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails2jpg 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: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails3jpg 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: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails4jpg 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: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails5jpg 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: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails6jpg 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: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails7jpg 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: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails8jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 9button div class=ts-image amp-img class=ts-thumb alt=Page 9: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails9jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 10button div class=ts-image amp-img class=ts-thumb alt=Page 10: Department of Physics and Astronomy - Home 355 fallJosef Fraunhofer Year 1820 1827 1831 1842 1845 1849 1850 1864 1870 1875 1879 1880 1880 1882 1886 Alexander Graham Bell Gustav src=https:reader034vdocumentssitereader034viewer20220430175f39ca7ed634ff1c154e6e1chtml5thumbnails10jpg width=142 height=106 layout=responsive amp-img divdiv