Cook Islands – 2014 – 5 Dollar – Anders Celsius (including box) (PROOF)

Description

Metal: Silver .925
Weight: 1 oz
Size: 50 mm
Quality: PROOF
Mintage: 1’744 pcs

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.