1844 Ruthenium

The book of science

Tom Sharp

KazanKarl Ernst Claus elements Ruthenium


Atomic number 44

Parker 51

My Parker 51 fountain pen had the ruthenium nib.

See also in The book of science:

Readings on wikipedia:

Other readings:

  • Ruthenium,” Elementymology & Elements Multidict, by Peter van der Krogt