Great Balls of Fire (Wehrmachtskanister) 28 November 2007, Cervera de los Montes A4 (29,7 x 21,0 cm) Water color, pencil, color pencil and ball-point pen on paper. i Wehrmachtskanister (German) = Jerrycan. A jerrycan is a 20 litres fuel container made from pressed steel. The jerrycan was invented by the Germans during a secret project ordered by Hitler. Goodness, gracious, great balls of fire is from the lyrics of Great Balls of Fire, a love song written by Otis Blackwell and Jack Hammer. Jerry Lee Lewis' version of the song was a number one US hit in 1958. Private collection, Helsinki. 530 / 779