[Skilled inspector using high-precision toolmaker's microscope, accurate to .0001 of an inch, to examine watches, Hamilton Watch Factory, Lancaster, Pennsylvania]

[Skilled inspector using high-precision toolmaker's microscope, accurate to .0001 of an inch, to examine watches, Hamilton Watch Factory, Lancaster, Pennsylvania]

Image: 4 9/16 x 6 5/8 in. (11.6 x 16.8 cm)
Paper: 4 7/8 x 6 7/8 in. (12.4 x 17.5 cm)
Framed: 11 1/2 x 14 1/2 in. (29.2 x 36.8 cm)
Credit Line
Gift of the National Archives, Washington, DC, 1975
Accession No. 796.1975