Recent Improvements in the Art of Signaling: For Military and Commercial Purposes. the Finley Helio-Telegraph and Its Modifications ...

by J P Finley

American Helio-Telegraph and Signal Lig (Creator)

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  • ISBN10 1279984716
  • ISBN13 9781279984710
  • Publish Date 9 April 2012
  • Publish Status Unknown
  • Publish Country US
  • Imprint Nabu Press
  • Format Paperback (US Trade)
  • Pages 212
  • Language English