Thomas Edison artifacts need repair
Tuesday, August 28, 2012 - 14:00
in Biology & Nature
When Thomas Edison finally hung up his lab coat, it still had acid burns from chemistry experiments carried out at the U.S. inventor's West Orange laboratory in New Jersey. Repairs helped erased the burn marks, but added wear and tear from decades of display on a wire hanger has compelled the U.S. National Park Service to launch a new conservation project.