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Re: SP patents
Author: George Andrews
Date: 08-31-2014 - 10:44

The Cutting Disk Signal, designed for use in the snowsheds on Donner Pass, was patented by Espee in April, 1903, and named for Signal Supervisor E.M. Cutting. Read about it on pages 53 - 54 of John Signor's book Donner Pass -- Southern Pacific's Sierra Crossing.

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Subject Written By Date/Time (PST)
  SP patents Big Hoss 08-30-2014 - 22:11
  Re: SP patents Martin Land Ow 08-30-2014 - 23:35
  Re: SP patents Tony Johnson 08-31-2014 - 04:45
  Re: SP patents Ed Workman 08-31-2014 - 07:22
  Re: SP patents George Andrews 08-31-2014 - 10:44
  Re: SP patents and other legal bits Edward 09-01-2014 - 00:42


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