Digital photograph (close-up) of a Civil War era extraction key, with interpretive plaque that reads: Civil War extraction key. This turnkey belonged to a Dr. Allen of Hammond, New York. He gave it to his nephew, an assistant surgeon in the Union Army during the U.S. Civil War. He traded it with some other articles to a Dr. Price. A Confederate from Opelousas, Louisiana. A man named Buck took the instrument from Dr. Price when Price was intoxicated. Buck gave it to Dr. W.P. Dickinson on Christmas Day, 1899. When Dr. Dickinson retired as Dean of the University of Minnesota Dental School in 1910, he taught at North Pacific College of Dentistry until 1919.
OHSU School of Dentistry