Christopher Polhem
Polhem was not only active within the field of mechanics, he actively wrote essays concerning medicine, social criticism, astronomy, geology and economics.
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Other accomplishments
- Can be found on back side the 500 Swedish kronor bank note, the front having a portrait of Charles XI of Sweden
- Has several schools named after him.
- Has an award named after himself, the Polhem prize (Polhemspriset), which is awarded to significant contributors to industry and construction engineering.
- Reinvented the Cardan joint under the name of "Polhem knot" (Polhemknut) independently of Gerolamo Cardano, the original inventor.
- Has a commemorative coin with his portrait on it, as well as a bust, which can be found in Visby.
- Organized machinery into a "mechanical alphabet" and provided examples of such. Of 80 models carved in wood, 32 are still in the collections of the National Museum of Science and Technology (Tekniska Museet) in Stockholm.
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See also
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External links
- (Swedish) "Kanalbyggare" (Swedish)
- (Swedish) Biography at Tekniska museet (Swedish)
- (Swedish) Biography on the site of the town Stjärnsund
- (Swedish) History of watchmaking at Stjärnsund
This article contains content from the Owl Edition of Nordisk familjebok, a Swedish encyclopedia published between 1904–1926 now in public domain.
| Persondata | |
|---|---|
| NAME | Polhem, Christopher |
| ALTERNATIVE NAMES | Polhammar, Chrisopher |
| SHORT DESCRIPTION | scientist and inventor |
| DATE OF BIRTH | 1661-12-18 |
| PLACE OF BIRTH | Visby, Sweden |
| DATE OF DEATH | 1751-08-30 |
| PLACE OF DEATH | Stockholm, Sweden |
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