
Reason slot meter, c.1920.
1918-1922
1918-1922
1918
1920
1924
1925
1925
1924
1919
1918
1922-1923
1922-1923
1922-1923
1922-1923
circa 1920
1921
2000-100 BCE
1925
1922
1923
1921
1924
1923
1934
1923
circa 1920
1920
1955; 1830
1918-1920
1918
1918
1920-1925
1920-1925
1920
1920
1990-96
1920
1920
1930 (replica); 1834 (original)
1923
1922-1923
circa 1920
1922-1923
1922-1923
1922-1923
1922-1923
1922-1923
1839 (original); circa 1988 (replica)
1923
1924
1919