Horace G. Martin
Part 1 : The Telegrapher Part 2 : The Phillips System and the Autoplex Part 3 : A Vibroplex in Every Telegraph Office Centennial of the Martin Vibroplex An article commemorating the 100th anniversary of the commercial introduction of the Vibroplex. New The Forgotten Vibroplex Patent The story behind Martin's patent, 1,042,457. Only 100 examples of this key were built. Related Articles: The Origin of the Word "Bug" The technical and legal history of the name given to semi-automatic transmitters. How to Adjust a Semi-Automatic Transmitter Instructions published by the Western Union Telegraph Co., 1915. Versions of the Horace G. Martin articles were originally published in the quarterly journal of The Antique Wireless Association. ( A nonprofit historical society ) Part One: The Telegrapher, November 2002, The OTB, Vol.43 / #4. Part Two: The Phillips System and the Autoplex, February 2003, The OTB, Vol.44 / #1. Part Three: A Vibroplex in Every Telegraph Office, May 2003, The OTB, Vol.44 / #2. Centennial of the Martin Vibroplex, April 2005, The AWA Journal, Vol.46 / #2. The Forgotten Vibroplex Patent, May 2004, The OTB, Vol.45 / #2. Copyright (c) by John Casale - W2NI
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