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- Telegraph Sounder, 1850-1900 -
- 1850-1900
- Collections - Artifact
Telegraph Sounder, 1850-1900
- AT&T Bell System Advertisement, "Thousands of Improvements in Central Office Equipment in 5 Years," July 1929 -
- July 01, 1929
- Collections - Artifact
AT&T Bell System Advertisement, "Thousands of Improvements in Central Office Equipment in 5 Years," July 1929
- Telegraphic Department at the Ford Rouge Plant Administration Building, 1931 - This interior view of the telegraph department at the Ford Administration Building shows several employees working at their desks. The variety of devices they are using--including typewriters and telegraphs in "sounder boxes"--captures evidence of a "connected" workforce--constantly receiving, processing, and exchanging information.
- May 22, 1931
- Collections - Artifact
Telegraphic Department at the Ford Rouge Plant Administration Building, 1931
This interior view of the telegraph department at the Ford Administration Building shows several employees working at their desks. The variety of devices they are using--including typewriters and telegraphs in "sounder boxes"--captures evidence of a "connected" workforce--constantly receiving, processing, and exchanging information.
- Mrs. Frank Foley in a Western Union Office, 1918 -
- 1918
- Collections - Artifact
Mrs. Frank Foley in a Western Union Office, 1918
- Patent Model of Edison's Sextuplex Telegraph, 1879 -
- 1879
- Collections - Artifact
Patent Model of Edison's Sextuplex Telegraph, 1879
- Patent Model of Edison's Acoustic Telegraph Improvement, 1876 -
- 1876
- Collections - Artifact
Patent Model of Edison's Acoustic Telegraph Improvement, 1876
- Patent Model of Edison's Printing Telegraph Improvement, 1872 -
- 1872
- Collections - Artifact
Patent Model of Edison's Printing Telegraph Improvement, 1872
- Patent Model of Edison's Electro-Harmonic Multiplex Telegraph, 1876 -
- 1876
- Collections - Artifact
Patent Model of Edison's Electro-Harmonic Multiplex Telegraph, 1876
- Patent Model of Edison's Electrical Printing Machine, 1872 -
- 1872
- Collections - Artifact
Patent Model of Edison's Electrical Printing Machine, 1872
- Patent Model of Edison's Automatic Telegraph Improvement, 1875 -
- 1875
- Collections - Artifact
Patent Model of Edison's Automatic Telegraph Improvement, 1875