Early 19th Century Microscopes Microscope No. 20, c1800 Microscope No. 245, c1800 Microscope No. 133, c1800 Microscope No. 249, c1800 Microscope No. 345, c1800 Microscope No. 171, c1810 Microscope No. 15, 1800–1820 Microscope No. 16, 1800–1850 Microscope No. 337, c1820 Microscope No. 47, 1820–1880 Microscope No. 147, c1818 Microscope No. 159, c1820 Microscope No. 40, c1820 Microscope No. 175, c1825 Microscope No. 93, c1826 Microscope No. 93, c1826 Microscope No. 37, c1830 Microscope No. 74, c1830 Microscope No. 51, c1830 Microscope No. 170, c1840 Microscope No. 152, c1840 Microscope No. 167, c1840 Microscope No. 56, 1841 Microscope No. 164, 1841–1845 Microscope No. 279, 1843–1848 Microscope No. 254, 1845–1855 Microscope No. 191, 1848 Microscope No. 136, c1850 Microscope No. 266, c1850 Microscope No. 161, c1850 Microscope No. 202, c1850 Microscope No. 227, c1850 Microscope No. 304, c1845 Microscope No. 287, c1830 Microscope No. 177, c1845 Microscope No. 231, c1840 Microscope No. 315, c1845 Microscope No. 135, 1843
