
symmetrical lens
circa 1905
circa 1905
circa 1921
c.1910
circa 1908
1922
circa 1924
1912
1922
1914
1913
circa 1924
1905/07/15
1909
1905-1915
1924
1924
1924
1924
1924
1924
1910
circa 1924
1924
1945-04
1905
1922
1910
1920
1985-04
1920
1912-10-20
1907
1907
1924
1914
1919
1910-1911
1905
1905
1905
1916
1905
1919
circa 1911
1906
1923
1798 (original); 1977 (model)
1923
1914
1905