
Rolling ball clock by E. Dent and Co
1920
1920
1907
circa 1925
2000-100 BCE
1914-1918
1923
1914-1924
1914-1924
1914-1918
1914-1918
1917-1918
1914
1914
1872 (original); 1909 (model)
1914-1918
1925
1915
1915
1910
1924
1904
1908
1909
1924
circa 1905
1912
circa 1920
c.1912
1910
1918
1915
1912
1905
1914-1918
1907-1920
1918
1913-1923
1912-1922
circa 1910
1914-1918
1914
1915-1925
1915
1918
1914-1920
1914-1918
1915-1917
1916-1917
1914
1916