ANDERS CELSIUS 2014 Cook 5$ 1 Oz Ø 50mm Silver Proof Coin & Thermometer Inserted
In 1742, Anders Celsius defined the temperature scale degree-centigrade which was later named after him. He fixed the boiling point of water at 0 degree and the freezing point at 100 degree. These fixpoints were switched later.
• The Swedish physician, mathematician and astronomer was interested in mathematic since childhood.
• His father Nils was a professor of astronomy. And even his grandfathers were scholars. Magnus Celsius was a mathematician und Anders Spole was an astronomer.
• Celsius died at the age of only 42 in the middle of his work and only two years after fixing his temperature scale because of tuberculosis.
- Country ~ Cook Islands
- Year ~2014
- Face value ~5 Dollars
- Metal ~ Silver .925
- Weight ~1 oz.
- Size ~50 mm
- Quality ~Proof
- Mintage ~1744