The Leich Electric Company manufactured magneto and dial equipment for the telephone industry in the 1930s and 1940s. These phones function as an intercom between the five main buildings at Valhalla. They are wired in a "common battery" configuration where all of the phones are on the same party line and when you turn the magneto crank, they all ring. Its very helpful communicating "dinnertime" 
  History of Leich Electric

Dave is currently writing a pamphlet on how to restore the Leich 901 Magneto Telephone.  Also included are specific instructions on how to connect these phones together to make a very interesting intercom system. 

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