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

by J P Finley

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  • ISBN10 1150928883
  • ISBN13 9781150928888
  • Publish Date 1 January 2012
  • Publish Status Unknown
  • Out of Print 7 July 2016
  • Publish Country US
  • Imprint General Books
  • Format Paperback (US Trade)
  • Pages 54
  • Language English