Goethe Tower [SEP] material used
Goethe Tower
The Goethe Tower () was a 43-metre high public observation tower built entirely out of wood on the northern edge of Frankfurt City Forest located in Sachsenhausen (Frankfurt am Main). The tower was built in honour of German writer and poet Johann Wolfgang von Goethe. After Rottenbuch Radio Tower, the Jahrtausendturm, the two towers of the Brück aerial testing facility and the Blumenthal Observation Tower it was the fifth tallest wooden construction in Germany, due to the addition of two antenna measuring stations. It burned down on October
to cathodically protect metals that are exposed to sea water. A zinc disc attached to a ship's iron rudder will slowly corrode while the rudder stays intact. Similarly, a zinc plug attached to a propeller or the metal protective guard for the keel of the ship provides temporary protection.
With a standard electrode potential (SEP) of −0.76 volts, zinc is used as an anode material for batteries. (More reactive lithium (SEP −3.04 V) is used for anodes in lithium batteries ). Powdered zinc is used in