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| The sender of a Marconi spark emitter: a high voltage created in the Ruhmkorf solenoid created sparks between the shining spheres, and the resulting electromagnetic waves propagated in the environment. | |
| Total images: 50 | Help | |
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| The sender of a Marconi spark emitter: a high voltage created in the Ruhmkorf solenoid created sparks between the shining spheres, and the resulting electromagnetic waves propagated in the environment. | |
| Total images: 50 | Help | |