Bevan's patent 1908 Locknut
1908
1908
1798 (original); 1977 (model)
1951-1900
1965-1900
15/7/27
1907
1908
1910-07
1909
15/7/27
circa 3000 BCE
3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
circa 3000 BCE
1931-2
1909
1906
1907
circa 3000 BCE
circa 3000 BCE
1801-1892 (prepared); 1926 (element replaced)
1801-1892 (prepared); 1926 (element replaced)
1903; 1948
circa 2000 BCE
700-100 BCE; 1930-1950
circa 1906
circa 1908
circa 1908
circa 1908
circa 1906
circa 1906
circa 1908
circa 1906
1906
circa 1908
1909
1908
1906
1908
1969-07
1953-09
1939-09
1934-05
1934-05
1936
1908
1862-1877; 1965; 1965
1968-04