The Copper Development Association has launched a nationwide search to determine the oldest copper plumbing installation to commemorate the 75th anniversary of copper plumbing. Send information regarding any historic, noteworthy or otherwise significant copper plumbing installations from the late 1920s to Plumbing 75, Copper Development Association Inc., 260 Madison Ave., New York, NY 10016 or e-mail: Copper-topics@cda.copper.org.