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DiasshowDC generator
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1890
50.0 x 21.0 cm
NEMO Science Museum
thomas alva edison (1847 – 1931)
Thomas Alva Edison (1847-1931): American inventor of the light bulb, phonograph & motion pictures. Pioneer of industrial research with 1093+ patents. Explore his legacy!
Edison built this DC generator based on his 1878 design. The two long, vertically oriented black cylinders are the field coils that generate the magnetic field in which the rotor turns. The shape of those coils led the lab workers who worked on this design – all of whom were men – to refer it as ‘The Long-legged Mary-Ann’. The rotor is on the bottom, behind an upright lever. The lever controls a switch that can be set so the power generated by the rotor flows through the field coils in a parallel circuit, allowing the generator to create its own field. This type of generator was built in various sizes, and there are versions up to two metres high. Large horizontal versions were used for the world
Om dette kunstværk
- Titel: DC generator
- Kunstner: thomas alva edison
- År: 1890
- Oprindelige mål: 50.0 x 21.0 cm
- Ophavsretlig status: Public domain
- Udstillet hos: NEMO Science Museum
- Kreativ periode: Late Medieval
- Kontekstuelt korpus: nemo museum display piece , historical device showcase
- Nøgleord: museum artwork” , nemo science museum , black cylinder art
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