Hubbard working with equipment at JHU

Portrait of John Charles Hubbard working with equipment at Johns Hopkins Laboratory., Credit Line: AIP Emilio Segrè Visual Archives
Abstract/Description: Portrait of John Charles Hubbard working with equipment at Johns Hopkins Laboratory.
Subject(s): Eyeglasses
Suits (Clothing)
Equipment and supplies
Hubbard, John Charles, 1879-
Date Created: December 1934
Credit Line: AIP Emilio Segrè Visual Archives
Catalog ID: Hubbard John Charles F1