Key made in a minute

Machine meant to duplicate keys within a minute. Accompanies an article titled "Products of the Minds of Ingenuity," about patented inventions.

Publication date: 1914-03-29

Size: 6.4 x 4.9 cm

Publisher: Tribune Company

Print type: grayscale

Language:

• English

Subject(s):

• Keys (Hardware)--1910-1920
• Machinery--1910-1920
• Inventions--1910-1920

Genre(s):

• Illustrations

Type(s):

• still image

Copyright(s):

• 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.

Is part of:

• The Janet A. Ginsburg Chicago Tribune Image Collection

Source(s):

• Chicago Sunday Tribune (March 29, 1914), Part 8/Drama/Music/Autos, p. 11

Format(s):

• application/pdf
• image/jpeg