H.G. Martin Vibroplex Patent #842154
J. Casale - W2NI

Horace G. Martin



H.G. Martin Telegraph Transmitter Patent # 842154

From the U.S. Patent Office - www.uspto.gov
H.G. Martin Patent #842154

Return To Part 3

Return To Main Page



Copyright (c) by John Casale - W2NI
Troy, New York
2002-2003
E-Mail