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
Return To Part 3
Return To Main Page
Copyright (c) by John Casale - W2NI
Troy, New York
2002-2003
E-Mail
