Automatic Switch Indicator

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Description

Patent for an automatic switch indicator. This invention is designed to "prevent accidents resulting from misplaced switches, due to the carelessness of the railroad employees or the inability of the engineer to see the customary track-signals" (line 14-19). Illustrations included.

Physical Description

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

Creation Information

Coffin, Edward F.; Shaw, Carey & Green, Samuel October 23, 1906.

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This patent is part of the collection entitled: Texas Patents and was provided by the UNT Libraries Government Documents Department to The Portal to Texas History, a digital repository hosted by the UNT Libraries. More information about this patent can be viewed below.

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Inventor

  • Coffin, Edward F. Edward F. Coffin, of Columbus, Texas, Assignor, of One Half to Carey Shaw and One Fifth to Samuel Green, of Columbus, Texas

Assignees

  • Shaw, Carey Edward F. Coffin, of Columbus, Texas, Assignor, of One Half to Carey Shaw and One Fifth to Samuel Green, of Columbus, Texas
  • Green, Samuel Edward F. Coffin, of Columbus, Texas, Assignor, of One Half to Carey Shaw and One Fifth to Samuel Green, of Columbus, Texas

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Description

Patent for an automatic switch indicator. This invention is designed to "prevent accidents resulting from misplaced switches, due to the carelessness of the railroad employees or the inability of the engineer to see the customary track-signals" (line 14-19). Illustrations included.

Physical Description

[3], 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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Creation Date

  • October 23, 1906

Submitted Date

  • December 18, 1905

Accepted Date

  • October 23, 1906

Added to The Portal to Texas History

  • Oct. 16, 2014, 6:42 a.m.

Description Last Updated

  • May 23, 2024, 8:25 p.m.

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Coffin, Edward F.; Shaw, Carey & Green, Samuel. Automatic Switch Indicator, patent, October 23, 1906; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth510105/: accessed May 28, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.

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