It was discovered in 1886 by C. Winkler in argyrodite, a mineral found at Freiberg in Saxony.
When passed with carbon dioxide through a red-hot tube it yields carbon oxysulphide, COS (C. Winkler), and when passed over sodamide it yields ammonium thiocyanate.
C. Winkler decided the atomic weight of germanium by similar reasoning.
Tupaya, a Tahitian, who accompanied Captain Cook in the " Endeavour " to Europe, supplied his patron with maps; Raraka drew a map in chalk of the Paumotu archipelago on the deck of Captain Wilkes's vessel; the Marshall islanders, according to Captain Winkler (Marine Rundschau, Oct.
Winkler (1703-1770), professor of physics at Leipzig, substituted a leather cushion for the hand.