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Key made in a minute
Image shows the early twentieth century invention of a device to copy keys within a minute.
6.4 x 4.9 cm
black and white
- still image
- These materials are either in the public domain, according to U.S. copyright law, or permission has been obtained from rights owners. The digital version and supplementary materials are available for all educational uses worldwide.
- The Janet A. Ginsburg Chicago Tribune Image Collection
- Chicago Sunday Tribune (March 29, 1914), p. 11