
Weston Master III exposure meter
1959
1959
1935
circa 1910
1935
1900
1895
1926
1953
1938
1920
1936
1952
1908
1927
1887
1913
1970-1979
circa 1960
1888-1895
1895-1905
1930-1940
1950-1959
1940-1959
circa 1910
1955
circa 1934
circa 1910
1908
1955
1936
1972
1933
1933
1928