Medical magneto-electric machine
1854-1890
magneto electric machine
Holtz induction electric machine
1876
Wheatstone's original dynamo electric machine
Components, Holtz induction electric machine
1876
Glass plate from Holtz induction electric machine
1876
Magneto-electric machine for firing shots
Magneto-electric machine, c.1840
Copy of Werner Siemens dynamo-electric machine
Varley's original dynamo electric machine
Wheatstone's original dynamo electric machine
1866
Holtz induction electric machine (two glass plates)
1876
Magneto-electric machine for nervous diseases
1880
Gramme magneto electric machine
Gramme magneto electric machine
Little's magneto electric machine, 1852
1852
Wheatstone's magneto electric machine, 1840
1840
Dynamo-electric machine, 1870
1870
Dynamo electric machine
Original dynamo-electric machine
Original Stohrer magneto-electric machine
1846
Ladd's compound magneto electric machine
Wheatstone's magneto electric machine, 1840
1840
Pacinottis ring armature dynamo electric machine
1864
Gramme magneto electric machine
Magneto-electric machine
1860
Glass plate from Holtz induction electric machine
1876
Original Stohrer magneto-electric machine
1846
Original Stohrer magneto-electric machine
1846