Dagron microphotographic camera
circa 1860
circa 1860
1889
circa 1897
1839 (original); circa 1988 (replica)
1858
circa 1845
1867
1839
1842
circa 1849
1856
1892
1889
circa 1888
circa 1880
1890-1895
1887
1888
1895
1886
circa 1899
circa 1880
1896
1887
circa 1898
circa 1895
1896
1898
1897-1899
circa 1891
1898
circa 1890
1888
1896
circa 1890
1885
1890
circa 1895
1899
1860
1880
1896
circa 1890
circa 1893
circa 1880
circa 1860
1889
c.1880
c.1880
1841