DescriptionLengthening the Day: A History of Lighting Technology. By Brian Bowers. Oxford, New York, Tokyo: OUP, 1998. First American edition. 8vo hardcover, dustjacket. pp. 221, illustrated. Mention of first electric discharge lamps to be used for practical lighting employed mercury vapor. Introduced by Peter Cooper Hewitt (sic) around 1900. (The Cooper-Hewitt Electric Company in Hoboken which developed this into fluorescent lighting was later purchased by General Electric.) 8vo hardcover