Frederick Keel [SEP] voice type
Frederick Keel
James Frederick Keel (8 May 18719 August 1954) was an English composer of art songs, baritone singer and academic. Keel was a successful recitalist and a professor of singing at the Royal Academy of Music. He combined scholarly and artistic interest in English songs and their history. His free settings of Elizabethan and Jacobean lyrics helped pioneer the revival of interest in the genre. He was also an active member of the English folksong movement. During World War I, Keel was held in the civilian internment camp at
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