
Ensign Optiscope Number 6 projector
circa 1905
circa 1905
1949-11-11
1949-11-11
1949-11-11
1949-11-11
1936
1994
1920-1940
1925-1935
1939
1925-1935
1925-1930
25 September 1934
1949-11-11
1949-11-11
1979
1950
circa 1967
1920-1940
1895-1910
16 October 1933
1925-1930
1925-1935
1910
1936
1940-1950
1915-1945
1915-1945
circa 1967
1960-1967