Which Happened First?

Heinrich Daniel Ruhmkorff

Heinrich Daniel Ruhmkorff
Image: Librairie Générale Scientifique et Industrielle, H. Desforges · Public domain · source

Heinrich Daniel Rühmkorff was a German instrument maker who commercialised the induction coil.

Summary from Wikipedia (CC BY-SA 4.0) · Dates from Wikidata (CC0)

Who was born first?

Timeline

  1. Heinrich Daniel Ruhmkorff (this page)January 15, 1803 – December 20, 1877
  2. John EricssonJuly 31, 1803 – March 8, 1889
  3. Justus von LiebigMay 12, 1803 – April 18, 1873
  4. Emil LenzFebruary 12, 1804 – January 29, 1865
  5. John DeereFebruary 7, 1804 – May 17, 1886
  6. Jean Eugène Robert-HoudinDecember 7, 1805 – June 13, 1871

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Heinrich Daniel Ruhmkorff (January 15, 1803 – December 20, 1877) · Which Happened First?