Wilhelm König
Encyclopedia
Wilhelm König was a German
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

 archaeologist.

A painter by profession, König was also interested in natural science. In 1931 he was elected assistant to the German leader of the Baghdad Antiquity Administration as head of the laboratory. In 1938 he made the first thorough examination of a curious clay
Clay
Clay is a general term including many combinations of one or more clay minerals with traces of metal oxides and organic matter. Geologic clay deposits are mostly composed of phyllosilicate minerals containing variable amounts of water trapped in the mineral structure.- Formation :Clay minerals...

 jar in the National Museum of Iraq
National Museum of Iraq
The National Museum of Iraq is a museum located in Baghdad, Iraq. It contains precious relics from Mesopotamian civilization.-Foundation:...

 (of which he was the director), now known as the Baghdad Battery
Baghdad Battery
The Baghdad Battery, sometimes referred to as the Parthian Battery, is the common name for a number of artifacts created in Mesopotamia, during the dynasties of Parthian or Sassanid period , and probably discovered in 1936 in the village of Khuyut Rabbou'a, near Baghdad, Iraq...

. In 1940, having returned to Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

 due to illness, he published a paper speculating that they may have been galvanic cell
Galvanic cell
A Galvanic cell, or Voltaic cell, named after Luigi Galvani, or Alessandro Volta respectively, is an electrochemical cell that derives electrical energy from spontaneous redox reaction taking place within the cell...

s, perhaps used for electroplating
Electroplating
Electroplating is a plating process in which metal ions in a solution are moved by an electric field to coat an electrode. The process uses electrical current to reduce cations of a desired material from a solution and coat a conductive object with a thin layer of the material, such as a metal...

 gold
Gold
Gold is a chemical element with the symbol Au and an atomic number of 79. Gold is a dense, soft, shiny, malleable and ductile metal. Pure gold has a bright yellow color and luster traditionally considered attractive, which it maintains without oxidizing in air or water. Chemically, gold is a...

 onto silver
Silver
Silver is a metallic chemical element with the chemical symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal...

 objects. In the museum König also discovered copper
Copper
Copper is a chemical element with the symbol Cu and atomic number 29. It is a ductile metal with very high thermal and electrical conductivity. Pure copper is soft and malleable; an exposed surface has a reddish-orange tarnish...

 utensils from ancient Sumer
Sumer
Sumer was a civilization and historical region in southern Mesopotamia, modern Iraq during the Chalcolithic and Early Bronze Age....

, which were electroplated with silver.

The earthen jar is 5½ inches high and 3 inches across, with an asphalt plug held in place by a copper sheet rolled into a tube. The tube has a copper disc at the bottom, also held in place by asphalt.

Works


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