Trace the development of electromagnetic technology over recent centuries, from early experiments to working equipment and instruments.
1865-1866
1858
1782-1793
1801-1838
1790
1900-1919
1925-1930
1888
1890
1883-1904
1917
1920-1926
1879
1894
1970-1980
1906
1910
1876
1901-1913
1900-1918
1854-1890
1880
1907
1913
1957
1981
1960-1969
1910-1918
1905
1880-1940
1970-1979
1895
1866-1896
1882-1900