
James White Lord Kelvin's patent portable polarised moving coil voltmeter
circa 1895
circa 1895
1897 c.
circa 1898
circa 1897
1896-11-04
1910-130
1965-195
1899
circa 1895
1897
circa 1895
circa 1896
circa 2000 BCE
8500-2000 BCE
1900-1943
2000-500 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
2000-500 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
8500-2000 BCE
700-100 BCE; 1930-1950
circa 1895
1899
1896
1896
circa 1898
circa 1895
1898
1897-1899
circa 1895
circa 1899
1896
1950-159
1896
1839; 1902-1903
1899
1896
1896
1897
1899
1895