Re: Question on railroad telegraphy
Author: Al Stangenberger
Date: 04-07-2008 - 12:03

Actually the early telegraph batteries were "gravity cells" (or "crowfoot cells" because of the shape of their electrodes). The Leyden Jar is a type of capacitor.



Subject Written By Date/Time (PST)
  Question on railroad telegraphy Robert 04-06-2008 - 13:41
  Re: Question on railroad telegraphy Bruce Butler 04-06-2008 - 17:52
  Re: Question on railroad telegraphy Key Route Ken 04-06-2008 - 21:40
  Re: Question on railroad telegraphy Al Stangenberger 04-07-2008 - 12:03
  Thank you! Robert 04-07-2008 - 13:25
  Telegraph technology Graham Buxton 04-08-2008 - 07:08


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