Reason slot meter, c.1920.
1918-1922
1918-1922
1948
1946
1943
1948
1920-1940
1927
1947
1935
circa 1930
1940
1918
1940
1936
1920-1929
1937
1937
1950
1953
1938
1938
1932
1951
1950
1951
1950-1953
1920
1930
1945
1924
1923-1948
1925
1928
1927
circa 1950
1923
1942
1924
1931
1948
circa 1920
1930
1936
1931
1946
1951
1940-1945
1949
1934
1935-1945