This photograph represents an inspection of angles on the escape wheel. The machine is a high precision toolmaker's microscope, 1936

Size: 1669px × 1196px
Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: .., 1936, archives, depression, great, hine, historic, history, lancaster, lewis, lewishine, nara:arcid=518434, national, pennsylvania, thegreatdepression, usa, usnationalarchives