Telephone-Switch

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Description

Patent for a telephone switch. "This invention relates to switches for telephone and more particularly to shifting devices for short-circuiting certain classes of lines, and the object is to provide a system of cutting off communication in what are called 'party' lines" (line 8-13). Illustration included.

Physical Description

[1], 3 p. : ill. ; 23 cm.

Creation Information

Mount, Timothy S. April 30, 1907.

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Description

Patent for a telephone switch. "This invention relates to switches for telephone and more particularly to shifting devices for short-circuiting certain classes of lines, and the object is to provide a system of cutting off communication in what are called 'party' lines" (line 8-13). Illustration included.

Physical Description

[1], 3 p. : ill. ; 23 cm.

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Texas Patents

United States patents filed by Texas inventors before 1900. A majority of the patents are for agricultural and industrial applications.

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  • April 30, 1907

Submitted Date

  • September 19, 1903

Accepted Date

  • April 30, 1907

Added to The The Portal to Texas History

  • Oct. 16, 2014, 6:42 a.m.

Description Last Updated

  • Aug. 16, 2017, 4:40 p.m.

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Mount, Timothy S. Telephone-Switch, patent, April 30, 1907; [Washington D.C.]. (texashistory.unt.edu/ark:/67531/metapth513299/: accessed February 23, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; crediting UNT Libraries Government Documents Department.