Ross Rapid Symmetrical Lens
1875-1885
1875-1885
circa 1890
circa 1910
circa 1900
circa 1880
circa 1880
circa 1890
circa 1880
circa 1900
1905-1915
circa 1905
circa 1910
circa 1910
circa 1890
1900-1910
c. 1890
circa 1870
circa 1880
circa 1900
circa 1890
circa 1890
circa 1910
circa 1900
circa 1880
circa 1860
circa 1870
circa 1885
circa 1895
circa 1910
circa 1890