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Our Family
Genealogy Pages
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 1877 - 1878 (1 year)
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Date |
Event(s) |
| 1 | 1877 | - 1877—1877: Edison invents microphone and phonograph
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| 2 | 1878 | - 1878—1878: Edison & Swan invent electric lamp
- 1878—1878: Red Flag Act in Britain limits mechanical road vehicles to 4mph
- 1878—1878: CID established at New Scotland Yard
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