
Induction coil and smee cell
1850-1860
1850-1860
1860-1820
1856
1854
circa 1852
1852
circa 1860
1913; circa 900 CE
1856
1798 (original); 1977 (model)
1861
1850-1859
1851-1856
1861
after 1851
1847
1853
1855
1852
1850
1850
1849
1860
1848
1852
1850-1860
1861
1849-1851
1854
1862
1854
1849
1850
1850
1851-1856
circa 1855
1851
1856
1851
1850-1853
1857
1853
1899/05
1899/05
1847
1855
1850
1898-01
1850/08/10
1899/11